diff --git a/src/WinMain.c b/src/WinMain.c
index a5d8e24..7ba2ea6 100644
--- a/src/WinMain.c
+++ b/src/WinMain.c
@@ -40,7 +40,7 @@ VOID WinMainCRTStartup()
 
     SetNamedSecurityInfoW(szLibFileName, SE_FILE_OBJECT, DACL_SECURITY_INFORMATION, NULL, NULL, NewAcl, NULL);
 
-    CoInitialize(NULL);
+    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
 
     IPackageDebugSettings *pPackageDebugSettings = NULL;
     CoCreateInstance(&CLSID_PackageDebugSettings, NULL, CLSCTX_INPROC_SERVER, &IID_IPackageDebugSettings,