diff --git a/tools/generatelabs b/tools/generatelabs
index eb69b723..a0ea3fe4 100755
--- a/tools/generatelabs
+++ b/tools/generatelabs
@@ -2,9 +2,9 @@
 # Used by tox.ini when checking build and publishing docs to website
 
 # Create tarball of labs scripts for Linux/OS X users
-bash -c "tar czf publish-docs/trunk/training-guides/labs-scripts.tgz labs"
+tar czf publish-docs/trunk/training-guides/labs-scripts.tgz labs
 
 # Generate Windows batch scripts
-bash -c "labs/osbash.sh -w cluster"
+labs/osbash.sh -w cluster
 # Create zip file of labs scripts for Windows users
-bash -c "zip -r publish-docs/trunk/training-guides/labs-scripts.zip labs"
+zip -r publish-docs/trunk/training-guides/labs-scripts.zip labs