diff --git a/apache2/msc_util.h b/apache2/msc_util.h
index 9a7b2fdd..a7b765d5 100644
--- a/apache2/msc_util.h
+++ b/apache2/msc_util.h
@@ -28,8 +28,8 @@
 #include "modsecurity.h"
 #include "re.h"
 
-#if WIN32
-int DSOLOCAL inet_pton(int family, const char *src, void *dst)
+#ifdef WIN32
+int DSOLOCAL inet_pton(int family, const char *src, void *dst);
 #endif
 
 int DSOLOCAL normalize_path_inplace(unsigned char *input, int len, int win, int *changed);