diff --git a/src/TraitBuilder.ts b/src/TraitBuilder.ts
index f3afc25..a01f933 100644
--- a/src/TraitBuilder.ts
+++ b/src/TraitBuilder.ts
@@ -63,7 +63,7 @@ export class TraitBuilder<
                     Simplify<
                         Omit<
                             InstanceType<ImplClassWithAbstract>,
-                            keyof Abstract
+                            keyof Abstract | "constructor"
                         >
                     >
                 > &