diff --git a/.github/workflows/terminology.yml b/.github/workflows/terminology.yml
index eb43eec73..d6e9cd05c 100644
--- a/.github/workflows/terminology.yml
+++ b/.github/workflows/terminology.yml
@@ -14,7 +14,7 @@ on:
 jobs:
   # This workflow contains a single job called "call-workflow" which references the FHIR validator repo
   call-workflow:
-    uses: NHSDigital/IOPS-FHIR-Test-Scripts/.github/workflows/masterfhirvalidation.yml@main
+    uses: NHSDigital/IOPS-FHIR-Test-Scripts/.github/workflows/masterfhirvalidation.yml@docker-img
     secrets:
       ONTO_CLIENT_ID: ${{ secrets.ONTO_CLIENT_ID }}
       ONTO_CLIENT_SECRET: ${{ secrets.ONTO_CLIENT_SECRET }}