diff --git a/app/lib/draft-timer.ts b/app/lib/draft-timer.ts
index aadbc8e..10b2d5a 100644
--- a/app/lib/draft-timer.ts
+++ b/app/lib/draft-timer.ts
@@ -106,7 +106,8 @@ export function getInitialDraftSpeed(season: DraftSpeedSource): string {
     (p) => p.bankSec === season?.draftInitialTime && p.incrSec === season?.draftIncrementTime
   );
   if (preset) return preset.value;
-  if (season?.draftInitialTime != null && season?.draftIncrementTime != null) {
+  if (season?.draftInitialTime !== null && season?.draftInitialTime !== undefined &&
+      season?.draftIncrementTime !== null && season?.draftIncrementTime !== undefined) {
     return `custom:${season.draftInitialTime}:${season.draftIncrementTime}`;
   }
   return "standard";