diff --git a/tools/internal_ci/linux/grpc_master.cfg b/tools/internal_ci/linux/grpc_master.cfg
index d2edbdab930..8ce2ef11a20 100644
--- a/tools/internal_ci/linux/grpc_master.cfg
+++ b/tools/internal_ci/linux/grpc_master.cfg
@@ -35,6 +35,6 @@ build_file: "grpc/tools/internal_ci/linux/grpc_master.sh"
 timeout_mins: 60
 action {
   define_artifacts {
-    regex: "grpc/*sponge_log.xml"
+    regex: "**/sponge_log.xml"
   }
 }