diff --git a/action.yml b/action.yml
index ade9f00..c6fda63 100644
--- a/action.yml
+++ b/action.yml
@@ -35,6 +35,7 @@ inputs:
   packages_with_index:
     description: "Upload chart packages directly into publishing branch"
     required: false
+    default: false
   pages_branch:
     description: "Name of the branch to be used to push the index and artifacts. (default to: gh-pages but it is not set in the action it is a default value for the chart-releaser binary)"
     required: false
diff --git a/cr.sh b/cr.sh
index 3a6f990..4f9ecc2 100755
--- a/cr.sh
+++ b/cr.sh
@@ -311,7 +311,7 @@ release_charts() {
   if [[ -n "$config" ]]; then
     args+=(--config "$config")
   fi
-  if [[ -n "$packages_with_index" ]]; then
+  if [[ "$packages_with_index" = true ]]; then
     args+=(--packages-with-index --push --skip-existing)
   elif [[ -n "$skip_existing" ]]; then
     args+=(--skip-existing)
@@ -332,7 +332,7 @@ update_index() {
   if [[ -n "$config" ]]; then
     args+=(--config "$config")
   fi
-  if [[ -n "$packages_with_index" ]]; then
+  if [[ "$packages_with_index" = true ]]; then
     args+=(--packages-with-index --index-path .)
   fi
   if [[ -n "$pages_branch" ]]; then