diff --git a/TitanEngine/Global.Engine.Threading.cpp b/TitanEngine/Global.Engine.Threading.cpp
index 32be8c7..160d094 100644
--- a/TitanEngine/Global.Engine.Threading.cpp
+++ b/TitanEngine/Global.Engine.Threading.cpp
@@ -7,8 +7,8 @@ MutexLocker::MutexLocker(const char* name)
     int len=strlen(name);
     DynBuf newNameBuf(len+20);
     char* newName = (char*)newNameBuf.GetPtr();
-    sprintf(newName, "%s%X", name, GetCurrentProcessId());
-    gMutex=CreateMutexA(0, false, newName);
+    sprintf(newName, "Local\\%s%X", name, GetCurrentProcessId());
+    gMutex=CreateMutexA(0, true, newName);
     bUnlocked=false;
     WaitForSingleObject(gMutex, INFINITE);
 }
@@ -17,6 +17,7 @@ MutexLocker::~MutexLocker()
 {
     if(!bUnlocked)
         ReleaseMutex(gMutex);
+    CloseHandle(gMutex);
 }
 
 void MutexLocker::relock()