diff --git a/test/run_tests.bat b/test/run_tests.bat
index 91206414f2b8f21517b65387dba3bb9c8309b7f2..5c38d9ca756858786cfd29d7fd6b4296bbf072a3 100644
--- a/test/run_tests.bat
+++ b/test/run_tests.bat
@@ -3,7 +3,7 @@ set MYDIR=%cd%\..
 set PYTHONPATH=%MYDIR%
 if [%1]==[] (
   SET date=%DATE%
-  python "%MYDIR%\scapy\tools\UTscapy.py -t regression.uts -f html -o scapy_regression_test_%date:~6,4%_%date:~3,2%_%date:~0,2%.html"
+  python "%MYDIR%\scapy\tools\UTscapy.py" -t regression.uts -f html -o scapy_regression_test_%date:~6,4%_%date:~3,2%_%date:~0,2%.html
 ) else (
-  python "%MYDIR%\scapy\tools\UTscapy.py %@"
+  python "%MYDIR%\scapy\tools\UTscapy.py" %@
 )