diff --git a/sys/pvr2d/gstpvrvideosink.c b/sys/pvr2d/gstpvrvideosink.c
index 017bec6f4d..7dc30c1b05 100644
--- a/sys/pvr2d/gstpvrvideosink.c
+++ b/sys/pvr2d/gstpvrvideosink.c
@@ -994,6 +994,7 @@ gst_pvrvideosink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
     GST_DEBUG_OBJECT (pvrvideosink, "check existing pool caps");
     config = gst_buffer_pool_get_config (pool);
     gst_buffer_pool_config_get (config, &pcaps, &size, NULL, NULL, NULL, NULL);
+    gst_structure_free (config);
 
     if (!gst_caps_is_equal (caps, pcaps)) {
       GST_DEBUG_OBJECT (pvrvideosink, "pool has different caps");