diff --git a/lib/extension-x-google-mux.h b/lib/extension-x-google-mux.h
index 4f4d397c..a580ad68 100644
--- a/lib/extension-x-google-mux.h
+++ b/lib/extension-x-google-mux.h
@@ -1,7 +1,7 @@
 
 #if 0
 #ifdef WIN32
-static
+static __inline
 #else
 static inline
 #endif
@@ -12,7 +12,7 @@ void muxdebug(const char *format, ...)
 }
 #else
 #ifdef WIN32
-static
+static __inline
 #else
 static inline
 #endif
diff --git a/lib/private-libwebsockets.h b/lib/private-libwebsockets.h
index bc55125a..32fd2b51 100644
--- a/lib/private-libwebsockets.h
+++ b/lib/private-libwebsockets.h
@@ -98,7 +98,7 @@ void debug(const char *format, ...)
 }
 #else
 #ifdef WIN32
-static
+static __inline
 #else
 static inline
 #endif