diff --git a/subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c b/subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c
index 0c624c4599..1b71ccab77 100644
--- a/subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c
+++ b/subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c
@@ -1923,11 +1923,12 @@ gst_wavparse_add_src_pad (GstWavParse * wav, GstBuffer * buf)
   if (s && gst_structure_has_name (s, "audio/x-raw") && buf != NULL
       && (GST_BUFFER_OFFSET (buf) == 0 || !GST_BUFFER_OFFSET_IS_VALID (buf))) {
     GstTypeFindProbability prob;
-    GstCaps *tf_caps;
+    GstCaps *tf_caps, *dts_caps;
 
+    dts_caps = gst_caps_from_string ("audio/x-dts");
     tf_caps =
-        gst_type_find_helper_for_buffer_with_extension (GST_OBJECT (wav), buf,
-        "dts", &prob);
+        gst_type_find_helper_for_buffer_with_caps (GST_OBJECT (wav), buf,
+        dts_caps, &prob);
     if (tf_caps != NULL) {
       GST_LOG ("typefind caps = %" GST_PTR_FORMAT ", P=%d", tf_caps, prob);
       if (gst_wavparse_have_dts_caps (tf_caps, prob)) {
@@ -1943,6 +1944,7 @@ gst_wavparse_add_src_pad (GstWavParse * wav, GstBuffer * buf)
         gst_caps_unref (tf_caps);
       }
     }
+    gst_caps_unref (dts_caps);
   }
 
   gst_pad_set_caps (wav->srcpad, wav->caps);