diff --git a/contrib/ci.sh b/contrib/ci.sh
index 58e4bb5e..e7411948 100755
--- a/contrib/ci.sh
+++ b/contrib/ci.sh
@@ -71,7 +71,7 @@ cd $GOPATH/src/github.com/openfaas/faas/gateway/tests/integration && \
    go test -v -count=1
 
 echo Running certifier
-export OPENFAAS_URL=http://127.0.0.1:8080
+export OPENFAAS_URL=http://127.0.0.1:8080/
 cd $GOPATH/src/github.com/openfaas/certifier && \
    make test-swarm