diff --git a/Lib/cProfile.py b/Lib/cProfile.py
index 19d5804..cb26fe1 100755
--- a/Lib/cProfile.py
+++ b/Lib/cProfile.py
@@ -137,7 +137,7 @@
     def runctx(self, cmd, globals, locals):
         self.enable()
         try:
-            exec cmd in globals, locals
+            exec(cmd, globals, locals)
         finally:
             self.disable()
         return self