diff --git a/nodejs-packaging-bundler b/nodejs-packaging-bundler
index 0dd61d7..8a1f83c 100755
--- a/nodejs-packaging-bundler
+++ b/nodejs-packaging-bundler
@@ -41,7 +41,8 @@ if [ $# -ge 2 ]; then
 else
   VERSION="$(npm view ${PACKAGE} version)"
 fi 
-
+# the package name might contain invalid characters, sanitize first
+PACKAGE_SAFE=$(echo $PACKAGE | sed -e 's|/|-|g')
 TMP_DIR=$(mktemp -d -t ci-XXXXXXXXXX)
 mkdir -p ${OUTPUT_DIR}
 mkdir -p ${TMP_DIR}
@@ -59,10 +60,10 @@ else
 	mv node_modules/ node_modules_prod
 fi
 echo "LICENSES IN BUNDLE:"
-find . -name "package.json" -exec jq .license {} \; >> ${TMP_DIR}/${PACKAGE}-${VERSION}-bundled-licenses.txt
-find . -name "package.json" -exec jq '.licenses[] .type' {} \; >> ${TMP_DIR}/${PACKAGE}-${VERSION}-bundled-licenses.txt 2>/dev/null
-sed -i "/^null$/d" ${TMP_DIR}/${PACKAGE}-${VERSION}-bundled-licenses.txt
-sort -u -o ${TMP_DIR}/${PACKAGE}-${VERSION}-bundled-licenses.txt ${TMP_DIR}/${PACKAGE}-${VERSION}-bundled-licenses.txt
+find . -name "package.json" -exec jq .license {} \; >> ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt
+find . -name "package.json" -exec jq '.licenses[] .type' {} \; >> ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt 2>/dev/null
+sed -i "/^null$/d" ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt
+sort -u -o ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt
 echo " Downloading dev dependencies"
 npm install --no-optional --only=dev
 if [ $? -ge 1 ] ; then
@@ -72,12 +73,12 @@ else
 	mv node_modules/ node_modules_dev
 fi
 if [ -d node_modules_prod ] ; then
-  tar cfz ../${PACKAGE}-${VERSION}-nm-prod.tgz node_modules_prod
+  tar cfz ../${PACKAGE_SAFE}-${VERSION}-nm-prod.tgz node_modules_prod
 fi
 if [ -d node_modules_dev ] ; then
-  tar cfz ../${PACKAGE}-${VERSION}-nm-dev.tgz node_modules_dev
+  tar cfz ../${PACKAGE_SAFE}-${VERSION}-nm-dev.tgz node_modules_dev
 fi
 cd ..
-cp -v ${PACKAGE}-${VERSION}* $HOME/rpmbuild/SOURCES
+cp -v ${PACKAGE_SAFE}-${VERSION}* $HOME/rpmbuild/SOURCES
 popd > /dev/null
 rm -rf ${TMP_DIR}