diff --git a/src/common_video/i420_video_frame_unittest.cc b/src/common_video/i420_video_frame_unittest.cc
index 8280d1307..33c70f152 100644
--- a/src/common_video/i420_video_frame_unittest.cc
+++ b/src/common_video/i420_video_frame_unittest.cc
@@ -215,14 +215,19 @@ bool EqualFramesExceptSize(const I420VideoFrame& frame1,
   ret |= (frame1.stride(kVPlane) == frame2.stride(kVPlane));
   ret |= (frame1.timestamp() == frame2.timestamp());
   ret |= (frame1.render_time_ms() == frame2.render_time_ms());
+  if (!ret)
+    return false;
   // Memory should be the equal for the minimum of the two sizes.
   int size_y = std::min(frame1.size(kYPlane), frame2.size(kYPlane));
   int size_u = std::min(frame1.size(kUPlane), frame1.size(kUPlane));
   int size_v = std::min(frame1.size(kVPlane), frame1.size(kVPlane));
-  ret |= memcmp(frame1.buffer(kYPlane), frame2.buffer(kYPlane), size_y);
-  ret |= memcmp(frame1.buffer(kUPlane), frame2.buffer(kYPlane), size_u);
-  ret |= memcmp(frame1.buffer(kVPlane), frame2.buffer(kYPlane), size_v);
-  return ret;
+  int ret_val = 0;
+  ret_val += memcmp(frame1.buffer(kYPlane), frame2.buffer(kYPlane), size_y);
+  ret_val += memcmp(frame1.buffer(kUPlane), frame2.buffer(kUPlane), size_u);
+  ret_val += memcmp(frame1.buffer(kVPlane), frame2.buffer(kVPlane), size_v);
+  if (ret_val == 0)
+    return true;
+  return false;
 }
 
 }  // namespace webrtc