diff --git a/lib-src/portmixer/src/px_win_endpoint.c b/lib-src/portmixer/src/px_win_endpoint.c
index 2f891a92f..258515882 100644
--- a/lib-src/portmixer/src/px_win_endpoint.c
+++ b/lib-src/portmixer/src/px_win_endpoint.c
@@ -168,7 +168,7 @@ int open_ep_mixers(px_mixer *Px, UINT deviceIn, UINT deviceOut)
       }
    }
 
-   if (deviceIn == WAVE_MAPPER) {
+   if (deviceOut == WAVE_MAPPER) {
       hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(denum,
                                                        eRender,
                                                        eMultimedia,