diff --git a/.gitea/workflows/build_and_test.yml b/.gitea/workflows/build_and_test.yml
index 3fd71e5d..9c148238 100644
--- a/.gitea/workflows/build_and_test.yml
+++ b/.gitea/workflows/build_and_test.yml
@@ -144,8 +144,8 @@ jobs:
       - name: Run DIALS processing
         shell: bash
         run: |
-          set -euo pipefail
           source /opt/dials-v3-27-0/dials_env.sh
+          set -euo pipefail
           cd dials_test
           xia2.ssx image=writing_test_master.h5 space_group=P43212 unit_cell=78.551,78.551,36.914,90.000,90.000,90.000
   python-client: