diff --git a/src/nikonmn.cpp b/src/nikonmn.cpp
index 28f2508e..767aad78 100644
--- a/src/nikonmn.cpp
+++ b/src/nikonmn.cpp
@@ -2488,6 +2488,7 @@ fmountlens[] = {
                                                            const Value& value, 
                                                            const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         if (value.count() != 1 || value.typeId() != unsignedByte || value.toLong() == 0 || value.toLong() == 255) {
             return os << "(" << value << ")";
         }
@@ -2495,6 +2496,7 @@ fmountlens[] = {
         oss.copyfmt(os);
         os << std::fixed << std::setprecision(2) << value.toLong() << " Hz";
         os.copyfmt(oss);
+        os.flags(f);
         return os;
     }
 
@@ -2502,6 +2504,7 @@ fmountlens[] = {
                                                             const Value& value, 
                                                             const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         if (value.count() != 1 || value.typeId() != unsignedByte || value.toLong() == 0 || value.toLong() == 255) {
             return os << "(" << value << ")";
         }
@@ -2509,6 +2512,7 @@ fmountlens[] = {
         oss.copyfmt(os);
         os << std::fixed << std::setprecision(2) << value.toLong();
         os.copyfmt(oss);
+        os.flags(f);
         return os;
     }
 
diff --git a/src/olympusmn.cpp b/src/olympusmn.cpp
index 8820a1d6..88b2ce42 100644
--- a/src/olympusmn.cpp
+++ b/src/olympusmn.cpp
@@ -1174,6 +1174,7 @@ namespace Exiv2 {
 
     std::ostream& OlympusMakerNote::print0x0204(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags of( os.flags() );
         if (   value.count() == 0
             || value.toRational().second == 0) {
             return os << "(" << value << ")";
@@ -1184,6 +1185,7 @@ namespace Exiv2 {
         oss.copyfmt(os);
         os << std::fixed << std::setprecision(1) << f << "x";
         os.copyfmt(oss);
+        os.flags(of);
         return os;
     } // OlympusMakerNote::print0x0204
 
diff --git a/src/panasonicmn.cpp b/src/panasonicmn.cpp
index cbfe7bdf..7f8624eb 100644
--- a/src/panasonicmn.cpp
+++ b/src/panasonicmn.cpp
@@ -320,12 +320,14 @@ namespace Exiv2 {
                                                   const Value& value,
                                                   const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         std::ostringstream oss;
         oss.copyfmt(os);
         os << std::fixed << std::setprecision(1)
            << value.toLong() / 3 << _(" EV");
         os.copyfmt(oss);
 
+        os.flags(f);
         return os;
 
     } // PanasonicMakerNote::print0x0023
diff --git a/src/pentaxmn_int.hpp b/src/pentaxmn_int.hpp
index 2aba980a..26f94658 100644
--- a/src/pentaxmn_int.hpp
+++ b/src/pentaxmn_int.hpp
@@ -93,6 +93,7 @@ namespace Exiv2 {
     template <int N, const TagDetails (&array)[N], int count, int ignoredcount, int ignoredcountmax>
     std::ostream& printCombiTag(std::ostream& os, const Value& value, const ExifData* metadata)
     {
+        std::ios::fmtflags f( os.flags() );
         if ((value.count() != count && (value.count() < (count + ignoredcount) || value.count() > (count + ignoredcountmax))) || count > 4) {
             return printValue(os, value, metadata);
         }
@@ -113,6 +114,7 @@ namespace Exiv2 {
                << std::hex << l << std::dec << ")";
         }
 
+        os.flags(f);
         return os;
     }
 
diff --git a/src/samsungmn.cpp b/src/samsungmn.cpp
index 9559f548..6f302fe3 100644
--- a/src/samsungmn.cpp
+++ b/src/samsungmn.cpp
@@ -90,6 +90,7 @@ namespace Exiv2 {
     //! Print the 35mm focal length
     std::ostream& printFocalLength35(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         if (value.count() != 1 || value.typeId() != unsignedLong) {
             return os << value;
         }
@@ -103,6 +104,7 @@ namespace Exiv2 {
             os << std::fixed << std::setprecision(1) << length / 10.0 << " mm";
             os.copyfmt(oss);
         }
+        os.flags(f);
         return os;
     }
 
diff --git a/src/tags.cpp b/src/tags.cpp
index 08558d81..927d718e 100644
--- a/src/tags.cpp
+++ b/src/tags.cpp
@@ -2277,6 +2277,7 @@ namespace Exiv2 {
 
     std::ostream& printDegrees(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         if (value.count() == 3) {
             std::ostringstream oss;
             oss.copyfmt(os);
@@ -2301,7 +2302,7 @@ namespace Exiv2 {
         else {
             os << value;
         }
-
+        os.flags(f);
         return os;
     } // printDegrees
 
@@ -2348,6 +2349,7 @@ namespace Exiv2 {
 
     std::ostream& print0x0006(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         std::ostringstream oss;
         oss.copyfmt(os);
         const int32_t d = value.toRational().second;
@@ -2356,11 +2358,13 @@ namespace Exiv2 {
         os << std::fixed << std::setprecision(p) << value.toFloat() << " m";
         os.copyfmt(oss);
 
+        os.flags(f);
         return os;
     }
 
     std::ostream& print0x0007(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         if (value.count() == 3) {
             for (int i = 0; i < 3; ++i) {
                 if (value.toRational(i).second == 0) {
@@ -2390,6 +2394,7 @@ namespace Exiv2 {
             os << value;
         }
 
+        os.flags(f);
         return os;
     }
 
@@ -2472,6 +2477,7 @@ namespace Exiv2 {
 
     std::ostream& print0x829d(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         Rational fnumber = value.toRational();
         if (fnumber.second != 0) {
             std::ostringstream oss;
@@ -2483,6 +2489,7 @@ namespace Exiv2 {
         else {
             os << "(" << value << ")";
         }
+        os.flags(f);
         return os;
     }
 
@@ -2529,6 +2536,7 @@ namespace Exiv2 {
 
     std::ostream& print0x9202(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         if (   value.count() == 0
             || value.toRational().second == 0) {
             return os << "(" << value << ")";
@@ -2537,6 +2545,7 @@ namespace Exiv2 {
         oss.copyfmt(os);
         os << "F" << std::setprecision(2) << fnumber(value.toFloat());
         os.copyfmt(oss);
+        os.flags(f);
         return os;
     }
 
@@ -2564,6 +2573,7 @@ namespace Exiv2 {
 
     std::ostream& print0x9206(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         Rational distance = value.toRational();
         if (distance.first == 0) {
             os << _("Unknown");
@@ -2582,6 +2592,7 @@ namespace Exiv2 {
         else {
             os << "(" << value << ")";
         }
+        os.flags(f);
         return os;
     }
 
@@ -2597,6 +2608,7 @@ namespace Exiv2 {
 
     std::ostream& print0x920a(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         Rational length = value.toRational();
         if (length.second != 0) {
             std::ostringstream oss;
@@ -2609,6 +2621,7 @@ namespace Exiv2 {
         else {
             os << "(" << value << ")";
         }
+        os.flags(f);
         return os;
     }
 
@@ -2661,6 +2674,7 @@ namespace Exiv2 {
 
     std::ostream& print0xa404(std::ostream& os, const Value& value, const ExifData*)
     {
+        std::ios::fmtflags f( os.flags() );
         Rational zoom = value.toRational();
         if (zoom.second == 0) {
             os << _("Digital zoom not used");
@@ -2672,6 +2686,7 @@ namespace Exiv2 {
                << (float)zoom.first / zoom.second;
             os.copyfmt(oss);
         }
+        os.flags(f);
         return os;
     }
 
@@ -3109,15 +3124,19 @@ namespace Exiv2 {
 
     std::ostream& operator<<(std::ostream& os, const TagInfo& ti)
     {
+        std::ios::fmtflags f( os.flags() );
         ExifKey exifKey(ti);
-        return os << exifKey.tagName() << ",\t"
-                  << std::dec << exifKey.tag() << ",\t"
-                  << "0x" << std::setw(4) << std::setfill('0')
-                  << std::right << std::hex << exifKey.tag() << ",\t"
-                  << exifKey.groupName() << ",\t"
-                  << exifKey.key() << ",\t"
-                  << TypeInfo::typeName(exifKey.defaultTypeId()) << ",\t"
-                  << exifKey.tagDesc();
+        os << exifKey.tagName() << ",\t"
+           << std::dec << exifKey.tag() << ",\t"
+           << "0x" << std::setw(4) << std::setfill('0')
+           << std::right << std::hex << exifKey.tag() << ",\t"
+           << exifKey.groupName() << ",\t"
+           << exifKey.key() << ",\t"
+           << TypeInfo::typeName(exifKey.defaultTypeId()) << ",\t"
+           << exifKey.tagDesc();
+
+        os.flags(f);
+        return os;
     }
 
 }                                       // namespace Exiv2
diff --git a/src/tiffimage.cpp b/src/tiffimage.cpp
index cb858352..39126783 100644
--- a/src/tiffimage.cpp
+++ b/src/tiffimage.cpp
@@ -2050,6 +2050,7 @@ namespace Exiv2 {
 
     void TiffHeaderBase::print(std::ostream& os, const std::string& prefix) const
     {
+        std::ios::fmtflags f( os.flags() );
         os << prefix
            << _("TIFF header, offset") << " = 0x"
            << std::setw(8) << std::setfill('0') << std::hex << std::right
@@ -2061,6 +2062,7 @@ namespace Exiv2 {
         case invalidByteOrder: break;
         }
         os << "\n";
+        os.flags(f);
     } // TiffHeaderBase::print
 
     ByteOrder TiffHeaderBase::byteOrder() const
diff --git a/src/types.cpp b/src/types.cpp
index 6b77e8f9..c5a70151 100644
--- a/src/types.cpp
+++ b/src/types.cpp
@@ -444,6 +444,7 @@ namespace Exiv2 {
     {
         const std::string::size_type pos = 8 + 16 * 3 + 2;
         const std::string align(pos, ' ');
+        std::ios::fmtflags f( os.flags() );
 
         long i = 0;
         while (i < len) {
@@ -461,6 +462,7 @@ namespace Exiv2 {
             os << (width > pos ? "" : align.substr(width)) << ss.str() << "\n";
         }
         os << std::dec << std::setfill(' ');
+        os.flags(f);
     } // hexdump
 
     bool isHex(const std::string& str, size_t size, const std::string& prefix)