diff --git a/src/lib/generateTypes/ts.ts b/src/lib/generateTypes/ts.ts
index f2983be..a4ab8fe 100644
--- a/src/lib/generateTypes/ts.ts
+++ b/src/lib/generateTypes/ts.ts
@@ -18,7 +18,7 @@ export default async function generateTsTypes(
       if (field.meta?.interface?.startsWith("presentation-")) return;
       ret += "  ";
       ret += field.field.includes("-") ? `"${field.field}"` : field.field;
-      if (field.relation || field.schema?.is_nullable) ret += "?";
+      if (field.relation) ret += "?";
       ret += ": ";
       ret += getType(field, useIntersectionTypes);
       ret += ";\n";