diff --git a/Configuration/Applications/scripts/cmsDriver.py b/Configuration/Applications/scripts/cmsDriver.py
index a99a87a924f7e..5185e73165b86 100755
--- a/Configuration/Applications/scripts/cmsDriver.py
+++ b/Configuration/Applications/scripts/cmsDriver.py
@@ -50,10 +50,8 @@ def run():
             commandString = options.prefix+" cmsRun "+options.suffix
             print("Starting "+commandString+' '+options.python_filename)
             commands = commandString.lstrip().split()
+            sys.stdout.flush()
             os.execvpe(commands[0],commands+[options.python_filename],os.environ)
             sys.exit()
 
 run()
-
-
-