diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6d868d93..255e2fdc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -55,7 +55,9 @@ jobs:
         coverage: pcov
 
     - name: Set SYMFONY_ENV to test
-      run: echo "SYMFONY_ENV=test" >> $GITHUB_ENV
+      run: |
+        echo "SYMFONY_ENV=test" >> $GITHUB_ENV
+        echo "MAUTIC_ENV=dev" >> $GITHUB_ENV
 
     - name: Install Apache
       # We need the sed command at the bottom to set the PHP session save path to a directory that's writable for PHP