diff --git a/.tekton/build-and-sign-pull-request.yaml b/.tekton/build-and-sign-pull-request.yaml
index f072639..2184335 100644
--- a/.tekton/build-and-sign-pull-request.yaml
+++ b/.tekton/build-and-sign-pull-request.yaml
@@ -604,6 +604,8 @@ spec:
           value: "/opt/drivers"
         - name: SOURCE_ARTIFACT
           value: $(tasks.clone-repository.results.SOURCE_ARTIFACT)
+        - name: driver_vendor
+          value: ""
       runAfter:
       - build-container        
     workspaces: