diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5737745..1764a5f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -337,7 +337,10 @@
 else()
     set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
     add_library(yangobj OBJECT ${libsrc} ${compatsrc})
-    set_target_properties(yangobj PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
+    if(NOT WIN32)
+        set_target_properties(yangobj PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
+    endif()
+    target_compile_definitions(yangobj PRIVATE LIBYANG_BUILD)
     add_library(yang SHARED $<TARGET_OBJECTS:yangobj>)
 
     #link dl