diff --git a/run_tests.sh b/run_tests.sh
index 9b0a92c3443..eca9b8ccde4 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -100,7 +100,7 @@ fi
 #
 # [1] https://bugs.launchpad.net/bzr/+bug/701898
 #
-PEP8_EXCLUDE=vcsversion.py
+PEP8_EXCLUDE="vcsversion.py,*.pyc"
 PEP8_OPTIONS="--exclude=$PEP8_EXCLUDE --repeat --show-source"
 PEP8_INCLUDE="bin/* quantum server client common plugins tools run_tests.py setup.py"
 RV=0