diff --git a/gst-libs/gst/pbutils/gstdiscoverer.c b/gst-libs/gst/pbutils/gstdiscoverer.c
index ec2b47fc0f..af2046a6aa 100644
--- a/gst-libs/gst/pbutils/gstdiscoverer.c
+++ b/gst-libs/gst/pbutils/gstdiscoverer.c
@@ -527,7 +527,7 @@ _event_probe (GstPad * pad, GstPadProbeInfo * info, PrivateStream * ps)
 static GstStaticCaps subtitle_caps = GST_STATIC_CAPS ("text/x-raw; "
     "subpicture/x-pgs; subpicture/x-dvb; subpicture/x-dvd; "
     "application/x-subtitle-unknown; application/x-ssa; application/x-ass; "
-    "subtitle/x-kate; application/x-kate");
+    "subtitle/x-kate; application/x-kate; subpicture/x-xsub");
 
 static gboolean
 is_subtitle_caps (const GstCaps * caps)