diff --git a/Library/Homebrew/utils/fork.rb b/Library/Homebrew/utils/fork.rb
index 6e94f250b6..24b78e5dde 100644
--- a/Library/Homebrew/utils/fork.rb
+++ b/Library/Homebrew/utils/fork.rb
@@ -17,7 +17,9 @@ module Utils
           rescue Exception => e
             Marshal.dump(e, write)
             write.close
-            exit! 1
+            exit!
+          else
+            exit!(true)
           end
         end