diff --git a/src/Composer/Command/RequireCommand.php b/src/Composer/Command/RequireCommand.php
index e32abdc1e..af417023e 100644
--- a/src/Composer/Command/RequireCommand.php
+++ b/src/Composer/Command/RequireCommand.php
@@ -118,6 +118,8 @@ EOT
 
             return 1;
         }
+
+        return 0;
     }
 
     private function updateFileCleanly($json, array $base, array $new, $requireKey)