diff --git a/dlls/winealsa.drv/alsamidi.c b/dlls/winealsa.drv/alsamidi.c
index 037f404771b..f12eefdd1a3 100644
--- a/dlls/winealsa.drv/alsamidi.c
+++ b/dlls/winealsa.drv/alsamidi.c
@@ -953,6 +953,9 @@ NTSTATUS midi_in_message(void *args)
     case MIDM_GETDEVCAPS:
         *params->err = midi_in_get_devcaps(params->dev_id, (MIDIINCAPSW *)params->param_1, params->param_2);
         break;
+    case MIDM_GETNUMDEVS:
+        *params->err = num_srcs;
+        break;
     default:
         TRACE("Unsupported message\n");
         *params->err = MMSYSERR_NOTSUPPORTED;
diff --git a/dlls/winealsa.drv/midi.c b/dlls/winealsa.drv/midi.c
index 4903b46089d..bd73c1f5db2 100644
--- a/dlls/winealsa.drv/midi.c
+++ b/dlls/winealsa.drv/midi.c
@@ -594,8 +594,6 @@ DWORD WINAPI ALSA_midMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
 	return midClose(wDevID);
     case MIDM_ADDBUFFER:
 	return midAddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
-    case MIDM_GETNUMDEVS:
-	return MIDM_NumDevs;
     case MIDM_RESET:
 	return midReset(wDevID);
     case MIDM_START: