--- a/media/webrtc/trunk/webrtc/modules/video_capture/windows/device_info_ds.cc
+++ b/media/webrtc/trunk/webrtc/modules/video_capture/windows/device_info_ds.cc
@@ -581,17 +581,17 @@ WebRtc_Word32 DeviceInfoDS::CreateCapabi
                 capability->interlaced = h->dwInterlaceFlags
                                         & (AMINTERLACE_IsInterlaced
                                            | AMINTERLACE_DisplayModeBobOnly);
                 avgTimePerFrame = h->AvgTimePerFrame;
             }
 
             if (hrVC == S_OK)
             {
-                LONGLONG *frameDurationList;
+                LONGLONG *frameDurationList = NULL;
                 LONGLONG maxFPS;
                 long listSize;
                 SIZE size;
                 size.cx = capability->width;
                 size.cy = capability->height;
 
                 // GetMaxAvailableFrameRate doesn't return max frame rate always
                 // eg: Logitech Notebook. This may be due to a bug in that API