diff --git a/knockout.deferred.updates/knockout.deferred.updates.d.ts b/knockout.deferred.updates/knockout.deferred.updates.d.ts
index 1d9313dce..e3423f5e9 100644
--- a/knockout.deferred.updates/knockout.deferred.updates.d.ts
+++ b/knockout.deferred.updates/knockout.deferred.updates.d.ts
@@ -21,7 +21,7 @@ interface KnockoutStatic {
 }
 
 // Observables
-interface KnockoutSubscribableFunctions {
+interface KnockoutSubscribableFunctions<T> {
     deferUpdates: boolean;
 }