diff --git a/include/wine/unicode.h b/include/wine/unicode.h
index 27d7ceeed74..49f9062a0ab 100644
--- a/include/wine/unicode.h
+++ b/include/wine/unicode.h
@@ -32,7 +32,11 @@
 #endif
 
 #ifndef WINE_UNICODE_API
-#define WINE_UNICODE_API DECLSPEC_IMPORT
+# if defined(_MSC_VER) || defined(__MINGW32__)
+#  define WINE_UNICODE_API DECLSPEC_IMPORT
+# else
+#  define WINE_UNICODE_API
+# endif
 #endif
 
 #ifndef WINE_UNICODE_INLINE