1 files changed, 4 insertions, 1 deletions
diff --git a/sys/oss/gstosssrc.c b/sys/oss/gstosssrc.c
index ffc750d7..60edc390 100644
--- a/sys/oss/gstosssrc.c
+++ b/sys/oss/gstosssrc.c
@@ -222,7 +222,10 @@ gst_osssrc_dispose (GObject * object)
 {
   GstOssSrc *osssrc = (GstOssSrc *) object;
 
-  gst_object_unparent (GST_OBJECT (osssrc->provided_clock));
+  if (osssrc->provided_clock != NULL) {
+    gst_object_unparent (GST_OBJECT (osssrc->provided_clock));
+    osssrc->provided_clock = NULL;
+  }
 
   G_OBJECT_CLASS (parent_class)->dispose (object);
 }