diff --git a/.github/workflows/update_primary_nginx.yml b/.github/workflows/update_primary_nginx.yml
index 4e50b27..385605c 100644
--- a/.github/workflows/update_primary_nginx.yml
+++ b/.github/workflows/update_primary_nginx.yml
@@ -22,14 +22,11 @@ jobs:
       #Doesn't work properly, envsubst replaces all instances of $variable and ${variable}, but we want to keep e.g., $host as nginx variables
       - name: Create temporary nginx config file
         run: |
-          export $(grep -v '^#' .env | xargs)  # Load environment variables
-          envsubst "$(printf '${%s} ' $(env | cut -d= -f1))" < ./nginx_template.txt > temp_default.conf
-      # Maybe look at https://www.baeldung.com/linux/envsubst-command to get an idea
-      - name: Check environment variables for Nginx
-        run: |
-          echo "PORT_PREFIX=${PORT_PREFIX}"
-          echo "GROUP_ID=${GROUP_ID}"
-          echo "DEV_POSTFIX=${DEV_POSTFIX}"
+          set -a  # Automatically export all variables
+          source .env  # Load environment variables from .env file
+          set +a  # Disable automatic export
+          envsubst '${PORT_PREFIX} ${GROUP_ID} ${DEV_POSTFIX}' < ./nginx_template.txt > temp_default.conf
+
 
       - name: Copy temporary file to correct place 
         run: cp -L temp_default.conf /etc/nginx/conf.d/default.conf