diff --git a/dlls/winealsa.drv/mmdevdrv.c b/dlls/winealsa.drv/mmdevdrv.c
index 3e8ad8d20a0..8c905e9b1a3 100644
--- a/dlls/winealsa.drv/mmdevdrv.c
+++ b/dlls/winealsa.drv/mmdevdrv.c
@@ -2137,12 +2137,12 @@ static void CALLBACK alsa_push_buffer_data(void *user, BOOLEAN timer)
             alsa_write_data(This);
         else if(This->dataflow == eCapture)
             alsa_read_data(This);
-
-        if(This->event)
-            SetEvent(This->event);
     }
 
     LeaveCriticalSection(&This->lock);
+
+    if(This->event)
+        SetEvent(This->event);
 }
 
 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index 4de5ae6bbab..ea6d4520b40 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -1481,12 +1481,12 @@ static void CALLBACK oss_period_callback(void *user, BOOLEAN timer)
             oss_write_data(This);
         else if(This->dataflow == eCapture)
             oss_read_data(This);
-
-        if(This->event)
-            SetEvent(This->event);
     }
 
     LeaveCriticalSection(&This->lock);
+
+    if(This->event)
+        SetEvent(This->event);
 }
 
 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)