diff --git a/src/bin/e_border.c b/src/bin/e_border.c
index 2b793c51d..8616ab4ca 100644
--- a/src/bin/e_border.c
+++ b/src/bin/e_border.c
@@ -3340,7 +3340,7 @@ e_border_idler_before(void)
 }
 
 EAPI Eina_List *
-e_border_client_list()
+e_border_client_list(void)
 {
    /* FIXME: This should be a somewhat ordered list */
    return borders;