3 files changed, 6 insertions, 2 deletions
diff --git a/gst/avi/gstavidemux.c b/gst/avi/gstavidemux.c
index a67ebc2d..d4e22a1d 100644
--- a/gst/avi/gstavidemux.c
+++ b/gst/avi/gstavidemux.c
@@ -416,7 +416,7 @@ gst_avi_demux_handle_src_query (GstPad * pad, GstQuery * query)
       break;
     }
     default:
-      res = FALSE;
+      res = gst_pad_query_default (pad, query);
       break;
   }
 
diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index 10c3c98c..cdbeb2e7 100644
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -928,6 +928,7 @@ gst_matroska_demux_get_src_query_types (GstPad * pad)
 {
   static const GstQueryType query_types[] = {
     GST_QUERY_POSITION,
+    GST_QUERY_DURATION,
     0
   };
 
@@ -981,6 +982,7 @@ gst_matroska_demux_handle_src_query (GstPad * pad, GstQuery * query)
     }
 
     default:
+      res = gst_pad_query_default (pad, query);
       break;
   }
 
diff --git a/gst/wavparse/gstwavparse.c b/gst/wavparse/gstwavparse.c
index 81324ae7..d3b1b7f8 100644
--- a/gst/wavparse/gstwavparse.c
+++ b/gst/wavparse/gstwavparse.c
@@ -1260,6 +1260,8 @@ gst_wavparse_get_query_types (GstPad * pad)
 {
   static const GstQueryType types[] = {
     GST_QUERY_POSITION,
+    GST_QUERY_DURATION,
+    GST_QUERY_CONVERT,
     0
   };
 
@@ -1343,7 +1345,7 @@ gst_wavparse_pad_query (GstPad * pad, GstQuery * query)
       break;
     }
     default:
-      res = FALSE;
+      res = gst_pad_query_default (pad, query);
       break;
   }
   return res;