diff --git a/LEGO1/lego/legoomni/include/legocarbuild.h b/LEGO1/lego/legoomni/include/legocarbuild.h
index 9d7bc511..1baef66d 100644
--- a/LEGO1/lego/legoomni/include/legocarbuild.h
+++ b/LEGO1/lego/legoomni/include/legocarbuild.h
@@ -145,7 +145,7 @@ class LegoCarBuild : public LegoWorld {
 	undefined4 FUN_100246e0(MxLong p_x, MxLong p_y);
 	MxS32 FUN_10024850(MxLong p_x, MxLong p_y);
 	undefined4 FUN_10024890(MxParam* p_param);
-	undefined4 FUN_10024c20(LegoEventNotificationParam* p_param);
+	undefined4 FUN_10024c20(MxNotificationParam* p_param);
 	void FUN_10024ef0();
 	void FUN_10024f30();
 	void FUN_10024f50();
diff --git a/LEGO1/lego/legoomni/src/build/legocarbuild.cpp b/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
index 537191b9..e6a6e81d 100644
--- a/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
+++ b/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
@@ -659,7 +659,7 @@ MxLong LegoCarBuild::Notify(MxParam& p_param)
 	if (m_worldStarted) {
 		switch (param.GetNotification()) {
 		case c_notificationType0:
-			FUN_10024c20((LegoEventNotificationParam*) &p_param);
+			FUN_10024c20((MxNotificationParam*) &p_param);
 			result = 1;
 			break;
 		case c_notificationEndAction:
@@ -1150,7 +1150,7 @@ undefined4 LegoCarBuild::FUN_10024890(MxParam* p_param)
 
 // FUNCTION: LEGO1 0x10024c20
 // FUNCTION: BETA10 0x1006db21
-undefined4 LegoCarBuild::FUN_10024c20(LegoEventNotificationParam* p_param)
+undefined4 LegoCarBuild::FUN_10024c20(MxNotificationParam* p_param)
 {
 	LegoEntity* entity;
 	assert(m_buildState);