diff --git a/src/app/api/mii/[id]/edit/route.ts b/src/app/api/mii/[id]/edit/route.ts
index 8f67c47..84c4521 100644
--- a/src/app/api/mii/[id]/edit/route.ts
+++ b/src/app/api/mii/[id]/edit/route.ts
@@ -35,6 +35,7 @@ const editSchema = z.object({
 	youtubeId: z
 		.string()
 		.regex(/^[a-zA-Z0-9_-]{11}$/, "Invalid YouTube video ID")
+		.or(z.literal(""))
 		.optional(),
 	instructions: switchMiiInstructionsSchema,
 	image1: z.union([z.instanceof(File), z.any()]).optional(),
diff --git a/src/app/api/submit/route.ts b/src/app/api/submit/route.ts
index 48566f7..e34bc66 100644
--- a/src/app/api/submit/route.ts
+++ b/src/app/api/submit/route.ts
@@ -40,6 +40,7 @@ const submitSchema = z
 		youtubeId: z
 			.string()
 			.regex(/^[a-zA-Z0-9_-]{11}$/, "Invalid YouTube video ID")
+			.or(z.literal(""))
 			.optional(),
 		instructions: switchMiiInstructionsSchema,