diff --git a/common/src/state/mod.rs b/common/src/state/mod.rs
index 419410b71cf..4e512f92915 100644
--- a/common/src/state/mod.rs
+++ b/common/src/state/mod.rs
@@ -1625,7 +1625,7 @@ impl State {
             if v.len() < name_prefix.len() {
                 false
             } else {
-                v[..(name_prefix.len())].eq_ignore_ascii_case(name_prefix)
+                v.to_lowercase().starts_with(&name_prefix.to_lowercase())
             }
         };