diff --git a/.github/workflows/deploy-to-ec2.yml b/.github/workflows/deploy-to-ec2.yml
index 0154fdc6..7a31f586 100644
--- a/.github/workflows/deploy-to-ec2.yml
+++ b/.github/workflows/deploy-to-ec2.yml
@@ -53,6 +53,6 @@ jobs:
             docker run -d -p ${{vars.PORT}}:8080 \
               --name ${{ github.event.repository.name }}-${{vars.ENV}} \
               --network=${{vars.DOCKER_NETWORK}} \
-              -e RDS_PUBLIC_KEY="${RDS_PUBLIC_KEY}" \ 
+              -e RDS_PUBLIC_KEY="$RDS_PUBLIC_KEY" \ 
               -e API_V1_PREFIX=/api/v1 \
               ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}