diff --git a/omx/gstomxvideodec.c b/omx/gstomxvideodec.c
index a24282a327..7660101b72 100644
--- a/omx/gstomxvideodec.c
+++ b/omx/gstomxvideodec.c
@@ -2339,6 +2339,7 @@ gst_omx_video_dec_drain (GstOMXVideoDec * self, gboolean is_eos)
   if (err != OMX_ErrorNone) {
     GST_ERROR_OBJECT (self, "Failed to drain component: %s (0x%08x)",
         gst_omx_error_to_string (err), err);
+    g_mutex_unlock (&self->drain_lock);
     GST_VIDEO_DECODER_STREAM_LOCK (self);
     return GST_FLOW_ERROR;
   }