diff --git a/src/Interactions/definitions.ts b/src/Interactions/definitions.ts
index 0a74713..2467388 100644
--- a/src/Interactions/definitions.ts
+++ b/src/Interactions/definitions.ts
@@ -57,7 +57,7 @@ export const guild = <
   E,
   A extends Discord.CreateGuildApplicationCommandParams,
 >(
-  command: A,
+  command: F.Narrow<A>,
   handle: DescriptionMissing<A> extends true
     ? "command description is missing"
     : CommandHandler<R, E, A>,