diff --git a/services/real-time/.gitignore b/services/real-time/.gitignore
index 7c45322029..22adf4a227 100644
--- a/services/real-time/.gitignore
+++ b/services/real-time/.gitignore
@@ -4,3 +4,4 @@ app.js
 app/js
 test/unit/js
 test/acceptance/js
+app.js.map