diff --git a/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c b/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
index 8da64c9c8c..d42d37d703 100644
--- a/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
+++ b/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
@@ -4444,8 +4444,8 @@ qtdemux_parse_moof (GstQTDemux * qtdemux, const guint8 * buffer, guint length,
         && (stream->protection_scheme_type == FOURCC_cenc
             || stream->protection_scheme_type == FOURCC_cbcs)) {
       QtDemuxCencSampleSetInfo *info = stream->protection_scheme_info;
-      GNode *sbgp_node, *sgpd_node;
-      GstByteReader sgpd_data, sbgp_data;
+      GNode *sgpd_node;
+      GstByteReader sgpd_data;
 
       if (info->fragment_group_properties) {
         g_ptr_array_free (info->fragment_group_properties, TRUE);
@@ -4471,17 +4471,20 @@ qtdemux_parse_moof (GstQTDemux * qtdemux, const guint8 * buffer, guint length,
             FOURCC_sgpd, &sgpd_data);
       }
 
-      sbgp_node = qtdemux_tree_get_child_by_type_full (traf_node, FOURCC_sbgp,
-          &sbgp_data);
-      while (sbgp_node) {
-        if (qtdemux_parse_sbgp (qtdemux, stream, &sbgp_data, FOURCC_seig,
-                &info->sample_to_group_map, info->default_properties,
-                info->track_group_properties,
-                info->fragment_group_properties)) {
-          break;
+      if (info->fragment_group_properties) {
+        GstByteReader sbgp_data;
+        GNode *sbgp_node = qtdemux_tree_get_child_by_type_full (traf_node,
+            FOURCC_sbgp, &sbgp_data);
+        while (sbgp_node) {
+          if (qtdemux_parse_sbgp (qtdemux, stream, &sbgp_data, FOURCC_seig,
+                  &info->sample_to_group_map, info->default_properties,
+                  info->track_group_properties,
+                  info->fragment_group_properties)) {
+            break;
+          }
+          sbgp_node = qtdemux_tree_get_sibling_by_type_full (sbgp_node,
+              FOURCC_sgpd, &sbgp_data);
         }
-        sbgp_node = qtdemux_tree_get_sibling_by_type_full (sbgp_node,
-            FOURCC_sgpd, &sbgp_data);
       }
     }