diff --git a/src/main.cpp b/src/main.cpp
index 5f36b8f..bad5cd6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,27 +2,29 @@
 #include "logging.h"
 #include "nt_ext.h"
 
-_Function_class_(DRIVER_UNLOAD)
-
-void unload(PDRIVER_OBJECT /*DriverObject*/)
-{
-	DbgLog("Bye World\n");
-}
-
 _Function_class_(KDEFERRED_ROUTINE)
 
 void NTAPI test_function(struct _KDPC* /*Dpc*/,
-                         PVOID /*DeferredContext*/,
+                         PVOID param,
                          const PVOID arg1,
                          const PVOID arg2)
 {
 	const auto core_id = KeGetCurrentProcessorNumberEx(nullptr);
-	DbgLog("Hello from CPU %ul\n", core_id);
+	DbgLog("%s from CPU %u\n", static_cast<const char*>(param), core_id);
 
 	KeSignalCallDpcSynchronize(arg2);
 	KeSignalCallDpcDone(arg1);
 }
 
+
+_Function_class_(DRIVER_UNLOAD)
+void unload(PDRIVER_OBJECT /*DriverObject*/)
+{
+	DbgLog("Leaving World\n");
+	KeGenericCallDpc(test_function, "Bye");
+	DbgLog("Bye World\n");
+}
+
 extern "C" {
 
 NTSTATUS DriverEntry(const PDRIVER_OBJECT DriverObject, PUNICODE_STRING /*RegistryPath*/)
@@ -31,7 +33,7 @@ NTSTATUS DriverEntry(const PDRIVER_OBJECT DriverObject, PUNICODE_STRING /*Regist
 
 	DbgLog("Hello World\n");
 
-	KeGenericCallDpc(test_function, nullptr);
+	KeGenericCallDpc(test_function, "Hello");
 
 	DbgLog("Nice World\n");