diff --git a/gst-libs/gst/rtsp/gstrtspconnection.c b/gst-libs/gst/rtsp/gstrtspconnection.c
index 18e18ebf07..954ee9870c 100644
--- a/gst-libs/gst/rtsp/gstrtspconnection.c
+++ b/gst-libs/gst/rtsp/gstrtspconnection.c
@@ -920,7 +920,12 @@ auth_digest_compute_response (const gchar * method,
   memcpy (hex_a2, digest_string, strlen (digest_string));
 
   /* compute KD */
+#if GLIB_CHECK_VERSION (2, 18, 0)
   g_checksum_reset (md5_context);
+#else
+  g_checksum_free (md5_context);
+  md5_context = g_checksum_new (G_CHECKSUM_MD5);
+#endif
   g_checksum_update (md5_context, (const guchar *) hex_a1, strlen (hex_a1));
   g_checksum_update (md5_context, (const guchar *) ":", 1);
   g_checksum_update (md5_context, (const guchar *) nonce, strlen (nonce));