diff --git a/modules/codec/dmo/dmo.c b/modules/codec/dmo/dmo.c
index 3bd5b14a3b..b969781ae7 100644
--- a/modules/codec/dmo/dmo.c
+++ b/modules/codec/dmo/dmo.c
@@ -368,7 +368,7 @@ static int DecOpen( decoder_t *p_dec )
     WAVEFORMATEX *p_wf = NULL;
 
     /* Initialize OLE/COM */
-    if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
+    if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED )) )
         vlc_assert_unreachable();
 
     if( LoadDMO( VLC_OBJECT(p_dec), &hmsdmo_dll, &p_dmo, &p_dec->fmt_in, false )
@@ -1397,7 +1397,7 @@ static int EncOpen( vlc_object_t *p_this )
     HINSTANCE hmsdmo_dll = NULL;
 
     /* Initialize OLE/COM */
-    if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
+    if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED )) )
         vlc_assert_unreachable();
 
     if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_enc->fmt_out, true )