diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f4843f53..f0bcf624 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -204,7 +204,7 @@ endif()
 
 set_target_properties( exiv2lib PROPERTIES
     VERSION       ${PROJECT_VERSION}
-    SOVERSION     ${PROJECT_VERSION_MAJOR}
+    SOVERSION     ${PROJECT_VERSION_MINOR}
     OUTPUT_NAME   exiv2
     PDB_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
     COMPILE_FLAGS ${EXTRA_COMPILE_FLAGS}