diff --git a/engines/tony/custom.cpp b/engines/tony/custom.cpp
index 0392fc409d71..d6e7fdd2eeeb 100644
--- a/engines/tony/custom.cpp
+++ b/engines/tony/custom.cpp
@@ -2134,15 +2134,12 @@ DECLARE_CUSTOM_FUNCTION(StartDialog)(CORO_PARAM, uint32 nDialog, uint32 nStartGr
  */
 
 DECLARE_CUSTOM_FUNCTION(TakeOwnership)(CORO_PARAM, uint32 num, uint32, uint32, uint32) {
-//	EnterCriticalSection(&cs[num]);
-//	WaitForSingleObject(mut[num],CORO_INFINITE);
-	warning("TODO: TakeOwnership");
+	CoroScheduler.waitForSingleObject(coroParam, GLOBALS.mut[num], CORO_INFINITE);
 }
 
 DECLARE_CUSTOM_FUNCTION(ReleaseOwnership)(CORO_PARAM, uint32 num, uint32, uint32, uint32) {
-//	LeaveCriticalSection(&cs[num]);
-//	g_system->unlockMutex(mut[num]);
-	warning("TODO: ReleaseOwnership");
+	CoroScheduler.pulseEvent(GLOBALS.mut[num]);	
+	warning("TODO: Validate that the use of events in TakeOwnership/ReleaseOwnership match original");
 }
 
 
@@ -2646,11 +2643,9 @@ void SetupGlobalVars(RMTony *tony, RMPointer *ptr, RMGameBoxes *box, RMLocation
 	GLOBALS.bAlwaysDisplay = false;
 	int i;
 
-/*	for (i = 0;i < 10; i++)
-		cs[i] = g_system->createMutex();
 	for (i = 0;i < 10; i++)
-		mut[i] = CreateMutex(NULL, false, NULL);
-*/
+		GLOBALS.mut[i] = CoroScheduler.createEvent(false, false);
+
 	for (i = 0; i < 200; i++)
 		GLOBALS.tappeti[i] = 0;
 
diff --git a/engines/tony/globals.cpp b/engines/tony/globals.cpp
index 867d48e0faa8..7c801a787d91 100644
--- a/engines/tony/globals.cpp
+++ b/engines/tony/globals.cpp
@@ -83,9 +83,8 @@ Globals::Globals() {
 	curSonoriz = 0;
 	bFadeOutStop = false;
 
-//	OSystem::MutexRef cs[10];
 //	OSystem::MutexRef vdb;
-	Common::fill(&mut[0], &mut[10], (HANDLE)NULL);
+	Common::fill(&mut[0], &mut[10], 0);
 	bSkipIdle = false;
 	hSkipIdle = 0;
 	lastMusic = 0;
diff --git a/engines/tony/globals.h b/engines/tony/globals.h
index 72faa6a6c580..d82e0fcaf22f 100644
--- a/engines/tony/globals.h
+++ b/engines/tony/globals.h
@@ -241,7 +241,7 @@ class Globals {
 	RMPoint StartLocPos[256];
 	OSystem::MutexRef cs[10];
 	OSystem::MutexRef vdb;
-	HANDLE mut[10];
+	uint32 mut[10];
 
 	bool bSkipIdle;
 	uint32 hSkipIdle;