diff --git a/talk/media/base/voiceprocessor.h b/talk/media/base/voiceprocessor.h
index c2c33879c8..33c252e170 100755
--- a/talk/media/base/voiceprocessor.h
+++ b/talk/media/base/voiceprocessor.h
@@ -28,12 +28,13 @@
 #ifndef TALK_MEDIA_BASE_VOICEPROCESSOR_H_
 #define TALK_MEDIA_BASE_VOICEPROCESSOR_H_
 
-#include "talk/media/base/audioframe.h"
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/sigslot.h"
 
 namespace cricket {
 
+class AudioFrame;
+
 enum MediaProcessorDirection {
     MPD_INVALID = 0,
     MPD_RX = 1 << 0,
diff --git a/talk/media/webrtc/webrtcvoiceengine.cc b/talk/media/webrtc/webrtcvoiceengine.cc
index 16e0ee811b..592d4ac68e 100644
--- a/talk/media/webrtc/webrtcvoiceengine.cc
+++ b/talk/media/webrtc/webrtcvoiceengine.cc
@@ -38,6 +38,7 @@
 #include <string>
 #include <vector>
 
+#include "talk/media/base/audioframe.h"
 #include "talk/media/base/audiorenderer.h"
 #include "talk/media/base/constants.h"
 #include "talk/media/base/streamparams.h"