diff --git a/testing/test-docker.sh b/testing/test-docker.sh
index 1584b40..518d80a 100755
--- a/testing/test-docker.sh
+++ b/testing/test-docker.sh
@@ -84,7 +84,7 @@ if ! wait_for_container "sos-test"; then
 fi
 
 # run the tests.
-"${SCRIPT_DIR}/test.sh" "http://localhost:7703"
+"${SCRIPT_DIR}/test.sh" "http://127.0.0.1:7703"
 RESULT=$?
 
 # clean up.