diff --git a/lib/call-session.js b/lib/call-session.js
index 45851f5..35d76b5 100644
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -125,6 +125,7 @@ class CallSession extends Emitter {
 
       if (this.req.locals.registration) {
         debug(`sending call to registered user ${JSON.stringify(this.req.locals.registration)}`);
+        const contact = this.req.locals.registration.contact;
         let destUri = this.req.uri;
         if (this.req.has('X-Override-To')) {
           const dest = this.req.get('X-Override-To');
@@ -133,7 +134,6 @@ class CallSession extends Emitter {
           destUri = stringifyUri(uri);
           this.logger.info(`overriding destination user with ${dest}, so final uri is ${destUri}`);
         }
-        const contact = this.req.locals.registration.contact;
         if (contact.includes('transport=ws')) {
           uris = [contact];
         }