diff --git a/WINGs/wfilepanel.c b/WINGs/wfilepanel.c
index 9e8fdff0..3eb04f83 100644
--- a/WINGs/wfilepanel.c
+++ b/WINGs/wfilepanel.c
@@ -475,7 +475,7 @@ static char *get_name_from_path(const char *path)
 	return wstrdup(&(path[size]));
 }
 
-static int filterFileName(WMFilePanel * panel, const char *file, Bool isDirectory)
+static Bool filterFileName(WMFilePanel * panel, const char *file, Bool isDirectory)
 {
 	return True;
 }