diff --git a/lib/jambonz/specs.json b/lib/jambonz/specs.json
index 5f8a75f..9a73d9c 100644
--- a/lib/jambonz/specs.json
+++ b/lib/jambonz/specs.json
@@ -1,5 +1,5 @@
 {
-  "sip:decline": {
+  "sip_decline": {
     "properties": {
       "status": "number",
       "reason": "string",
diff --git a/package.json b/package.json
index cddaaab..d48695d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jambonz/node-client",
-  "version": "0.2.5",
+  "version": "0.2.6",
   "description": "",
   "main": "lib/index.js",
   "scripts": {