diff --git a/.github/workflows/image_build.yml b/.github/workflows/image_build.yml
index 4388a9fe..63e27e3a 100644
--- a/.github/workflows/image_build.yml
+++ b/.github/workflows/image_build.yml
@@ -223,7 +223,7 @@ jobs:
           password: ${{ secrets.dockerPassword }}
 
       - name: Login to DockerHub
-        # if: github.event_name != 'pull_request'
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           registry: quay.io
@@ -282,7 +282,7 @@ jobs:
           file: ./Dockerfile
           cache-from: type=gha
           platforms: ${{ inputs.platforms }}
-          push: true
+          #push: true
           tags: ${{ steps.meta_pull_request.outputs.tags }}
           labels: ${{ steps.meta_pull_request.outputs.labels }}
 ## End testing image
diff --git a/Dockerfile b/Dockerfile
index 52f52cde..3bfc4a38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,7 @@ RUN apt-get update && \
         curl libssl-dev \
         git \
         git-lfs \
-        unzip upx-ucl python3 && \
+        unzip upx-ucl python3 python-is-python3 && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
diff --git a/backend/python/common/libbackend.sh b/backend/python/common/libbackend.sh
index 6013cf76..f8e411c7 100644
--- a/backend/python/common/libbackend.sh
+++ b/backend/python/common/libbackend.sh
@@ -176,13 +176,13 @@ function startBackend() {
     ensureVenv
 
     if [ ! -z ${BACKEND_FILE} ]; then
-        exec python ${BACKEND_FILE} $@
+        exec ${EDIR}/venv/bin/python ${BACKEND_FILE} $@
     elif [ -e "${MY_DIR}/server.py" ]; then
-        exec python ${MY_DIR}/server.py $@
+        exec ${EDIR}/venv/bin/python ${MY_DIR}/server.py $@
     elif [ -e "${MY_DIR}/backend.py" ]; then
-        exec python ${MY_DIR}/backend.py $@
+        exec ${EDIR}/venv/bin/python ${MY_DIR}/backend.py $@
     elif [ -e "${MY_DIR}/${BACKEND_NAME}.py" ]; then
-        exec python ${MY_DIR}/${BACKEND_NAME}.py $@
+        exec ${EDIR}/venv/bin/python ${MY_DIR}/${BACKEND_NAME}.py $@
     fi
 }