diff --git a/src/raven.js b/src/raven.js
index b03c7fb7702f..10783a657881 100644
--- a/src/raven.js
+++ b/src/raven.js
@@ -126,9 +126,9 @@ var Raven = {
      * @return {Raven}
      */
     install: function() {
-        if (!isSetup()) return;
-
-        TK.report.subscribe(handleStackInfo);
+        if (isSetup()) {
+            TK.report.subscribe(handleStackInfo);
+        }
 
         return Raven;
     },