diff --git a/taglib/toolkit/taglib.h b/taglib/toolkit/taglib.h
index 450d8a32..0a18a9ac 100644
--- a/taglib/toolkit/taglib.h
+++ b/taglib/toolkit/taglib.h
@@ -50,6 +50,8 @@
 #define TAGLIB_DEPRECATED __attribute__((deprecated))
 #elif defined(_MSC_VER)
 #define TAGLIB_DEPRECATED __declspec(deprecated)
+#else
+#define TAGLIB_DEPRECATED
 #endif
 
 #include <string>