diff --git a/legacy/elementary/src/lib/elm_spinner.c b/legacy/elementary/src/lib/elm_spinner.c
index 0e94cf1195..252bb8d1dc 100644
--- a/legacy/elementary/src/lib/elm_spinner.c
+++ b/legacy/elementary/src/lib/elm_spinner.c
@@ -1348,6 +1348,12 @@ _elm_spinner_eo_base_constructor(Eo *obj, Elm_Spinner_Data *_pd EINA_UNUSED)
 EOLIAN static void
 _elm_spinner_label_format_set(Eo *obj, Elm_Spinner_Data *sd, const char *fmt)
 {
+   if (!strchr(fmt, '%'))
+     {
+        WRN("Warning: %s is an Illegal format, cannot be set", fmt);
+        return;
+     }
+
    eina_stringshare_replace(&sd->label, fmt);
 
    if (fmt && !(_is_label_format_integer(sd->label)))