diff --git a/ext/smoothstreaming/gstmssmanifest.c b/ext/smoothstreaming/gstmssmanifest.c
index 0ab4096e3d..3a9af69f92 100644
--- a/ext/smoothstreaming/gstmssmanifest.c
+++ b/ext/smoothstreaming/gstmssmanifest.c
@@ -1223,7 +1223,10 @@ gst_mss_manifest_seek (GstMssManifest * manifest, gboolean forward,
   GSList *iter;
 
   for (iter = manifest->streams; iter; iter = g_slist_next (iter)) {
-    gst_mss_stream_seek (iter->data, forward, 0, time, NULL);
+    GstMssStream *stream = iter->data;
+
+    gst_mss_manifest_live_adapter_clear (stream);
+    gst_mss_stream_seek (stream, forward, 0, time, NULL);
   }
 }
 
@@ -1612,6 +1615,13 @@ gst_mss_manifest_live_adapter_take_buffer (GstMssStream * stream, gsize nbytes)
   return gst_adapter_take_buffer (stream->live_adapter, nbytes);
 }
 
+void
+gst_mss_manifest_live_adapter_clear (GstMssStream * stream)
+{
+  if (stream->live_adapter)
+    gst_adapter_clear (stream->live_adapter);
+}
+
 gboolean
 gst_mss_stream_fragment_parsing_needed (GstMssStream * stream)
 {
diff --git a/ext/smoothstreaming/gstmssmanifest.h b/ext/smoothstreaming/gstmssmanifest.h
index 03b066ae5e..0db6326210 100644
--- a/ext/smoothstreaming/gstmssmanifest.h
+++ b/ext/smoothstreaming/gstmssmanifest.h
@@ -77,6 +77,7 @@ const gchar * gst_mss_stream_type_name (GstMssStreamType streamtype);
 void gst_mss_manifest_live_adapter_push(GstMssStream * stream, GstBuffer * buffer);
 gsize gst_mss_manifest_live_adapter_available(GstMssStream * stream);
 GstBuffer * gst_mss_manifest_live_adapter_take_buffer(GstMssStream * stream, gsize nbytes);
+void gst_mss_manifest_live_adapter_clear (GstMssStream * stream);
 gboolean gst_mss_stream_fragment_parsing_needed(GstMssStream * stream);
 void gst_mss_stream_parse_fragment(GstMssStream * stream, GstBuffer * buffer);