diff --git a/libs/gst/base/gstbasesrc.c b/libs/gst/base/gstbasesrc.c
index e53f4cfca1..a0775d10d5 100644
--- a/libs/gst/base/gstbasesrc.c
+++ b/libs/gst/base/gstbasesrc.c
@@ -2857,6 +2857,8 @@ gst_base_src_default_negotiate (GstBaseSrc * basesrc)
     }
     gst_caps_unref (caps);
   } else {
+    if (caps)
+      gst_caps_unref (caps);
     GST_DEBUG_OBJECT (basesrc, "no common caps");
   }
   return result;