diff --git a/lib/twitter/core_ext/enumerable.rb b/lib/twitter/core_ext/enumerable.rb
index 2aa6c9a31..84ffc0ca9 100644
--- a/lib/twitter/core_ext/enumerable.rb
+++ b/lib/twitter/core_ext/enumerable.rb
@@ -15,9 +15,9 @@ def threaded_map
   def abort_on_exception
     initial_abort_on_exception = Thread.abort_on_exception
     Thread.abort_on_exception ||= true
-    value = yield
+    yield
+  ensure
     Thread.abort_on_exception = initial_abort_on_exception
-    value
   end
 
 end