diff --git a/scripts/create-mkspec.sh b/scripts/create-mkspec.sh
index 191dc4bf..4f1d0b4c 100644
--- a/scripts/create-mkspec.sh
+++ b/scripts/create-mkspec.sh
@@ -92,6 +92,7 @@ _cat <<- EOT
 	|echo "make install"
 	|echo "export PATH=$MOD_SCRIPT_DIR:\\\$PATH"
 	|echo "/bin/bash pkg.sh milk-install-log -p \\\$ENV_PREFIX -n \$NAME -t rpm -s \\"$subpackages\\" \$INSTALL_LOG \`dirname \$INSTALL_LOG\`"
+	|echo "exit 0" # <- Cut short CentOS magic appended to install scriptlet, which would generate .pyo files and other cruft.
 EOT
 
 for p in $subpackages; do