diff --git a/direct/src/showbase/showBase.h b/direct/src/showbase/showBase.h
index 8b9c24f40a..5ffea8cbee 100644
--- a/direct/src/showbase/showBase.h
+++ b/direct/src/showbase/showBase.h
@@ -52,13 +52,12 @@ EXPCL_DIRECT void store_accessibility_shortcut_keys();
 EXPCL_DIRECT void allow_accessibility_shortcut_keys(bool allowKeys);
 
 #ifdef IS_OSX
-void activate_osx_application();
+EXPCL_DIRECT void activate_osx_application();
 #endif
 
 END_PUBLISH
 
 
-
 #if 0
 class TempGridZoneManager {
 PUBLISHED: