diff --git a/src/lib/providers/codexFastTier.ts b/src/lib/providers/codexFastTier.ts
index 4f8887c787..172c3553cf 100644
--- a/src/lib/providers/codexFastTier.ts
+++ b/src/lib/providers/codexFastTier.ts
@@ -96,7 +96,7 @@ export function getCodexEffectiveServiceTier(
   // Dashboard global modes are explicit overrides; use "none" to preserve the
   // per-connection requestDefaults.serviceTier value.
   if (globalServiceMode === true) return "priority";
-  if (globalServiceMode && globalServiceMode !== false && globalServiceMode !== "none") {
+  if (globalServiceMode && globalServiceMode !== "none") {
     return globalServiceMode;
   }
   return getCodexConnectionServiceTier(providerSpecificData);