diff --git a/.github/workflows/build-trigger.yml b/.github/workflows/build-trigger.yml
index ec50d71..ce36e66 100644
--- a/.github/workflows/build-trigger.yml
+++ b/.github/workflows/build-trigger.yml
@@ -58,4 +58,4 @@ jobs:
       runner: '["gcc", "dind", "2204"]'
       runner-archs: '["amd64", "arm64"]'
       dockerfiles: ${{ toJSON(fromJSON(needs.get-changed-files.outputs.dockerfile_files || '[]')) }}
-      version-tag: ${{ needs.get-changed-files.outputs.version }}
+      version-tag: ${{ needs.get-changed-files.outputs.version ? 'true' : 'false' }}
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ec3e03d..b5e0165 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,8 +19,8 @@ on:
         type: string
         default: 'harbor.nbfc.io'
       version-tag:
-        type: boolean
-        default: false
+        type: string
+        default: 'false'
     secrets:
       GIT_CLONE_PAT:
         required: false
@@ -143,7 +143,7 @@ jobs:
       - name: Set Docker tag based on branch, PR or version
         id: tag
         run: |
-          if [[ ${{ inputs.registry }} == true ]]; then
+          if [[ "${{ inputs.version-tag }}" == "true" ]]; then
             echo "Version change detected. Using version: $( cat VERSION )."
             echo "TAG=$( cat VERSION ) " >> $GITHUB_ENV
           elif [[ "${GITHUB_REF##*/}" == "main" ]]; then