diff --git a/patches/helium/core/add-component-l10n-support.patch b/patches/helium/core/add-component-l10n-support.patch
index 1d3641da..51b858be 100644
--- a/patches/helium/core/add-component-l10n-support.patch
+++ b/patches/helium/core/add-component-l10n-support.patch
@@ -110,7 +110,7 @@
 +  for (const auto& fallback_locale : all_fallback_locales) {
 +    base::FilePath this_locale_path =
 +      locale_path.AppendASCII(fallback_locale)
-+                 .AppendASCII(extensions::kMessagesFilename);
++                 .Append(extensions::kMessagesFilename);
 +    int resource_id = 0;
 +
 +    if (!manager->IsComponentExtensionResource(