diff --git a/src/init.c b/src/init.c
index 8f14f97..da90df8 100644
--- a/src/init.c
+++ b/src/init.c
@@ -178,7 +178,8 @@ init_layout(void)
                {"max",                     maxlayout },
                {"maxlayout",               maxlayout },
                {"freelayout",              freelayout },
-               {"free",                    freelayout }
+               {"free",                    freelayout },
+               { NULL, NULL }
           };
 
      layout_list = emalloc(LEN(layout_list_tmp), sizeof(func_name_list_t));