diff --git a/web/src/pages/FaceLibrary.tsx b/web/src/pages/FaceLibrary.tsx
index f105c2e59..ebb46f3fd 100644
--- a/web/src/pages/FaceLibrary.tsx
+++ b/web/src/pages/FaceLibrary.tsx
@@ -499,6 +499,8 @@ function LibrarySelector({
           setRenameFace(null);
         }}
         defaultValue={renameFace || ""}
+        regexPattern={/^[\p{L}\p{N}\s'_-]{1,50}$/u}
+        regexErrorMessage={t("description.invalidName")}
       />
 
       <DropdownMenu>