diff --git a/Lib/trace.py b/Lib/trace.py
index 7ebed71..c7ed0a5 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -484,7 +484,7 @@
             sys.settrace(self.globaltrace)
             threading.settrace(self.globaltrace)
         try:
-            exec cmd in dict, dict
+            exec(cmd, dict, dict)
         finally:
             if not self.donothing:
                 sys.settrace(None)
@@ -497,7 +497,7 @@
             sys.settrace(self.globaltrace)
             threading.settrace(self.globaltrace)
         try:
-            exec cmd in globals, locals
+            exec(cmd, globals, locals)
         finally:
             if not self.donothing:
                 sys.settrace(None)