diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c23ee2701..a2fab35d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -88,6 +88,7 @@ jobs:
           USERNAME: ${{ github.actor }}
           TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: "Docker Image: edc-dev"
+        if: ${{ github.event.pull_request.head.repo.full_name == 'org/repo' }}
         uses: ./.github/actions/build-connector-image
         with:
           registry-url: ${{ env.REGISTRY_URL }}
@@ -99,6 +100,7 @@ jobs:
           title: "sovity Dev EDC Connector"
           description: "Extended EDC Connector built by sovity. This dev version contains no dataspace auth and can be used to quickly start a locally running EDC + EDC UI."
       - name: "Docker Image: edc-ce"
+        if: ${{ github.event.pull_request.head.repo.full_name == 'org/repo' }}
         uses: ./.github/actions/build-connector-image
         with:
           registry-url: ${{ env.REGISTRY_URL }}
@@ -110,6 +112,7 @@ jobs:
           title: "sovity Community Edition EDC Connector"
           description: "EDC Connector built by sovity. Contains sovity's Community Edition EDC extensions and requires dataspace credentials to join an existing dataspace."
       - name: "Docker Image: edc-ce-mds"
+        if: ${{ github.event.pull_request.head.repo.full_name == 'org/repo' }}
         uses: ./.github/actions/build-connector-image
         with:
           registry-url: ${{ env.REGISTRY_URL }}
@@ -121,6 +124,7 @@ jobs:
           title: "MDS Community Edition EDC Connector"
           description: "EDC Connector built by sovity and configured for compatibility with the Mobility Data Space (MDS). This EDC requires dataspace credentials, and additional MDS Services such as a Clearing House."
       - name: "Docker Image: test-backend"
+        if: ${{ github.event.pull_request.head.repo.full_name == 'org/repo' }}
         uses: ./.github/actions/build-connector-image
         with:
           registry-url: ${{ env.REGISTRY_URL }}