diff --git a/include/asterisk/jingle.h b/include/asterisk/jingle.h
index fe3e0c94a3d03f466e6ec5171e912a4f7d6cd0d8..1b54de9443fc7d1ec4c67696f55d2bba1549fce1 100644
--- a/include/asterisk/jingle.h
+++ b/include/asterisk/jingle.h
@@ -39,7 +39,7 @@
 
 #define JINGLE_NS "http://www.xmpp.org/extensions/xep-0166.html#ns"
 #define JINGLE_DTMF_NS "http://www.xmpp.org/extensions/xep-0181.html#ns"
-#define JINGLE_DTMF_NS_ERROR "http://www.xmpp.org/extensions/xep-0181.html#ns"
+#define JINGLE_DTMF_NS_ERRORS "http://www.xmpp.org/extensions/xep-0181.html#ns-errors"
 #define GOOGLE_NS "http://www.google.com/session"
 
 #define JINGLE_SID "sid"