diff --git a/.github/workflows/update_primary_nginx.yml b/.github/workflows/update_primary_nginx.yml
index 4286e65..fb23ab0 100644
--- a/.github/workflows/update_primary_nginx.yml
+++ b/.github/workflows/update_primary_nginx.yml
@@ -23,7 +23,7 @@ jobs:
 
       #Doesn't work properly, envsubst replaces all instances of $variable and ${variable}, but we want to keep e.g., $host as nginx variables
       - name: Create temporary nginx config file
-        run: envsubst '${PROD_PORT_PREFIX} ${DEV_PORT_PREFIX} ${STAG_PORT_PREFIX} ${GATEWAY_POSTFIX}' < ./nginx_template.txt > temp_default.conf
+        run: envsubst '${URL_PREFIX} ${PROD_PORT_PREFIX} ${DEV_PORT_PREFIX} ${STAG_PORT_PREFIX} ${GATEWAY_POSTFIX}' < ./nginx_template.txt > temp_default.conf
       # Maybe look at https://www.baeldung.com/linux/envsubst-command to get an idea
         
       - name: Copy temporary file to correct place