diff --git a/.github/workflows/deploy-test.yml b/.github/workflows/deploy-test.yml
index 55f67ab6d..53251aee8 100644
--- a/.github/workflows/deploy-test.yml
+++ b/.github/workflows/deploy-test.yml
@@ -91,7 +91,7 @@ jobs:
       - run: ls schema
 
       - name: Find Ontology Version
-        run: echo "ONTOLOGY_VERSION=$(grep 'versionIRI' schema/iguana.owl | grep -Po '[0-9]+.[0-9]+.[0-9]+')" >> $GITHUB_OUTPUT
+        run: echo "ONTOLOGY_VERSION=$(grep 'versionIRI' schema/iguana.owx | grep -Po '[0-9]+.[0-9]+.[0-9]+')" >> $GITHUB_OUTPUT
         id: find_ontology_version
 
       - name: Fetch Ontologies
@@ -100,8 +100,8 @@ jobs:
           ref: gh-pages
           sparse-checkout: ontology
       - run: mkdir -p ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}
-      - run: cp schema/iguana.owl ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}/iguana.owx
-      - run: cp schema/iguana.owl ontology/iguana.owx
+      - run: cp schema/iguana.owx ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}/iguana.owx
+      - run: cp schema/iguana.owx ontology/iguana.owx
 
       - name: 'Upload artifact'
         uses: actions/upload-artifact@v4