diff --git a/repos/base/src/test/weak_ptr/main.cc b/repos/base/src/test/weak_ptr/main.cc
index c9c555bb51..eec112bc3a 100644
--- a/repos/base/src/test/weak_ptr/main.cc
+++ b/repos/base/src/test/weak_ptr/main.cc
@@ -158,7 +158,7 @@ struct Destruct_thread : Genode::Thread
 	}
 
 	Destruct_thread(O *obj, Genode::Env & env, Genode::Heap & heap)
-	: Thread(env, "object_destructor", 4096), obj(obj), heap(heap) { }
+	: Thread(env, "object_destructor", 16*1024), obj(obj), heap(heap) { }
 };