diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index 25b023e..67104cc 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -858,7 +858,7 @@
     std::string result, word;
     auto tokens = android::base::Split(*table, " ");
 
-    for (const auto token : tokens) {
+    for (const auto& token : tokens) {
         if (android::base::StartsWith(token, "/dev/block/") &&
             android::base::StartsWith(blk_device, token.c_str())) {
             word = blk_device;