diff --git a/.kokoro/conformance.sh b/.kokoro/conformance.sh
index ba90c6dca..21f95613e 100755
--- a/.kokoro/conformance.sh
+++ b/.kokoro/conformance.sh
@@ -42,7 +42,7 @@ pushd .
 pwd
 ls
 cd cloud-bigtable-clients-test/tests
-eval "go test -v -skip `cat ../../testproxy/known_failures.txt`"
+eval "go test -v -proxy_addr=:9999 -skip `cat ../../testproxy/known_failures.txt`"
 RETURN_CODE=$?
 popd