diff --git a/libs/gst/controller/gsttimedvaluecontrolsource.c b/libs/gst/controller/gsttimedvaluecontrolsource.c
index 42fa976914..c4fc6102d1 100644
--- a/libs/gst/controller/gsttimedvaluecontrolsource.c
+++ b/libs/gst/controller/gsttimedvaluecontrolsource.c
@@ -348,7 +348,10 @@ gst_timed_value_control_source_unset (GstTimedValueControlSource * self,
       self->nvalues--;
       self->valid_cache = FALSE;
       res = TRUE;
+    } else {
+      cp = NULL;
     }
+
   }
   g_mutex_unlock (&self->lock);