diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index b0f08c0..40417c6 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -16,6 +16,10 @@ jobs:
     - name: Log in to Docker Hub
       run: echo "${{ secrets.DOCKERHUB_PASSWORD }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
 
+    ## Converter github.actor para minúsculas e salvar em variável
+    - name: Convert GitHub Username to Lowercase
+      run: echo "GITHUB_ACTOR_LOWER=$(echo ${{ github.actor }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
     ## Login no GitHub Container Registry (GHCR)
     - name: Log in to GitHub Container Registry (GHCR)
       run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u "${{ github.actor }}" --password-stdin
@@ -25,8 +29,8 @@ jobs:
       run: |
         docker build -t link70/vendaweb:latest .
         docker tag link70/vendaweb:latest link70/vendaweb:$(date +%Y%m%d%H%M)
-        docker tag link70/vendaweb:latest ghcr.io/${{ github.actor,, }}/vendaweb:latest
-        docker tag link70/vendaweb:latest ghcr.io/${{ github.actor,, }}/vendaweb:$(date +%Y%m%d%H%M)
+        docker tag link70/vendaweb:latest ghcr.io/$GITHUB_ACTOR_LOWER/vendaweb:latest
+        docker tag link70/vendaweb:latest ghcr.io/$GITHUB_ACTOR_LOWER/vendaweb:$(date +%Y%m%d%H%M)
 
     ## Push da Imagem para o Docker Hub
     - name: Push Docker Image to Docker Hub
@@ -37,8 +41,8 @@ jobs:
     ## Push da Imagem para o GHCR
     - name: Push Docker Image to GitHub Container Registry (GHCR)
       run: |
-        docker push ghcr.io/${{ github.actor,, }}/vendaweb:latest
-        docker push ghcr.io/${{ github.actor,, }}/vendaweb:$(date +%Y%m%d%H%M)
+        docker push ghcr.io/$GITHUB_ACTOR_LOWER/vendaweb:latest
+        docker push ghcr.io/$GITHUB_ACTOR_LOWER/vendaweb:$(date +%Y%m%d%H%M)
 
   deploy:
     runs-on: ubuntu-latest
@@ -52,8 +56,8 @@ jobs:
         username: ${{ secrets.SERVER_USER }}
         password: ${{ secrets.SERVER_PASSWORD }}
         script: |
-          docker login ghcr.io -u "${{ github.actor,, }}" -p "${{ secrets.GITHUB_TOKEN }}"
-          docker pull ghcr.io/${{ github.actor,, }}/vendaweb:latest
+          docker login ghcr.io -u "$GITHUB_ACTOR_LOWER" -p "${{ secrets.GITHUB_TOKEN }}"
+          docker pull ghcr.io/$GITHUB_ACTOR_LOWER/vendaweb:latest
           docker stop vendaweb || true
           docker rm vendaweb || true
-          docker run -d --name vendaweb -p 80:80 ghcr.io/${{ github.actor,, }}/vendaweb:latest
+          docker run -d --name vendaweb -p 80:80 ghcr.io/$GITHUB_ACTOR_LOWER/vendaweb:latest