diff --git a/webrtc/video_engine/test/common/flags.cc b/webrtc/video_engine/test/common/flags.cc
index 5ac50da20..3a63ff775 100644
--- a/webrtc/video_engine/test/common/flags.cc
+++ b/webrtc/video_engine/test/common/flags.cc
@@ -41,9 +41,9 @@ size_t Height() {
 }
 
 DEFINE_int32(fps, 30, "Frames per second.");
-size_t Fps() {
+int Fps() {
   assert(flags_are_init);
-  return static_cast<size_t>(FLAGS_fps);
+  return static_cast<int>(FLAGS_fps);
 }
 
 DEFINE_int32(min_bitrate, 50, "Minimum video bitrate.");
diff --git a/webrtc/video_engine/test/common/flags.h b/webrtc/video_engine/test/common/flags.h
index d652aec06..fb5f5fc9c 100644
--- a/webrtc/video_engine/test/common/flags.h
+++ b/webrtc/video_engine/test/common/flags.h
@@ -21,7 +21,7 @@ void Init(int* argc, char ***argv);
 
 size_t Width();
 size_t Height();
-size_t Fps();
+int Fps();
 size_t MinBitrate();
 size_t StartBitrate();
 size_t MaxBitrate();
diff --git a/webrtc/video_engine/test/common/video_capturer.cc b/webrtc/video_engine/test/common/video_capturer.cc
index b90daaa2e..503ea4c22 100644
--- a/webrtc/video_engine/test/common/video_capturer.cc
+++ b/webrtc/video_engine/test/common/video_capturer.cc
@@ -32,7 +32,7 @@ VideoCapturer::VideoCapturer(newapi::VideoSendStreamInput* input)
 VideoCapturer* VideoCapturer::Create(newapi::VideoSendStreamInput* input,
                                      size_t width,
                                      size_t height,
-                                     size_t fps,
+                                     int fps,
                                      Clock* clock) {
   VcmCapturer* vcm_capturer = VcmCapturer::Create(input, width, height, fps);
 
diff --git a/webrtc/video_engine/test/common/video_capturer.h b/webrtc/video_engine/test/common/video_capturer.h
index 1f8f68099..0b44a63f8 100644
--- a/webrtc/video_engine/test/common/video_capturer.h
+++ b/webrtc/video_engine/test/common/video_capturer.h
@@ -27,7 +27,7 @@ class VideoCapturer {
   static VideoCapturer* Create(newapi::VideoSendStreamInput* input,
                                size_t width,
                                size_t height,
-                               size_t fps,
+                               int fps,
                                Clock* clock);
   virtual ~VideoCapturer() {}