diff --git a/src/mergerfs_api.cpp b/src/mergerfs_api.cpp
index 389195f0..9cf862f5 100644
--- a/src/mergerfs_api.cpp
+++ b/src/mergerfs_api.cpp
@@ -42,12 +42,7 @@ mergerfs::api::get_kvs(const fs::path                    &mountpoint_,
     return rv;
 
   for(auto &[k,v] : *kvs_)
-    {
-      constexpr size_t offset = (sizeof("user.mergerfs.") - 1);
-
-      if(offset < k.size())
-        k = k.substr(offset);
-    }
+    k = str::remove_prefix(k,"user.mergerfs.");
 
   return 0;
 }