diff --git a/gtk/gtkscale.c b/gtk/gtkscale.c
index 7280fadc53026284d4c617a56c3b47586537572b..110aa6c4ead1b08619b44c24e95a4bcc0ab3a6d2 100644
--- a/gtk/gtkscale.c
+++ b/gtk/gtkscale.c
@@ -311,7 +311,7 @@ gtk_scale_notify (GObject    *object,
 
       g_free (values);
     }
-  else if (strcmp (pspec->name, "adjustment"))
+  else if (strcmp (pspec->name, "adjustment") == 0)
     {
       if (priv->value_widget)
         update_label_request (scale);