diff --git a/core/sys/windows/ole32.odin b/core/sys/windows/ole32.odin
index 6fa398d46..d344db5f0 100644
--- a/core/sys/windows/ole32.odin
+++ b/core/sys/windows/ole32.odin
@@ -3,9 +3,24 @@ package sys_windows
 foreign import "system:Ole32.lib"
 
 //objbase.h
+// Note(Dragos): https://learn.microsoft.com/en-us/windows/win32/api/objbase/ne-objbase-coinit makes you believe that MULTITHREADED == 3. That is wrong. See definition of objbase.h
+/*
+typedef enum tagCOINIT
+{
+  COINIT_APARTMENTTHREADED  = 0x2,      // Apartment model
+
+#if  (_WIN32_WINNT >= 0x0400 ) || defined(_WIN32_DCOM) // DCOM
+  // These constants are only valid on Windows NT 4.0
+  COINIT_MULTITHREADED      = COINITBASE_MULTITHREADED,
+  COINIT_DISABLE_OLE1DDE    = 0x4,      // Don't use DDE for Ole1 support.
+  COINIT_SPEED_OVER_MEMORY  = 0x8,      // Trade memory for speed.
+#endif // DCOM
+} COINIT;
+*/
+// Where COINITBASE_MULTITHREADED == 0x00
 COINIT :: enum DWORD {
 	APARTMENTTHREADED = 0x2,
-	MULTITHREADED,
+	MULTITHREADED     = 0,
 	DISABLE_OLE1DDE   = 0x4,
 	SPEED_OVER_MEMORY = 0x8,
 }