diff --git a/3rdparty/libtiff/CMakeLists.txt b/3rdparty/libtiff/CMakeLists.txt
index ae9914b3e8..e350dcbaa4 100644
--- a/3rdparty/libtiff/CMakeLists.txt
+++ b/3rdparty/libtiff/CMakeLists.txt
@@ -410,7 +410,7 @@ set(lib_srcs
     tif_write.c
     tif_zip.c
     tif_stream.cxx
-	snprintf.c
+    snprintf.c
     t4.h
     tif_dir.h
     tif_fax3.h