diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 56145e0154..a66b56b809 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -1365,7 +1365,7 @@ void Application::updateAvatar(float deltaTime) {
     const float VERTICAL_PIXELS_PER_DEGREE = 1800.f / 30.f;
     if (powf(measuredYawRate * measuredYawRate +
              measuredPitchRate * measuredPitchRate, 0.5) > MIN_MOUSE_RATE) {
-        _headMouseX += measuredYawRate * HORIZONTAL_PIXELS_PER_DEGREE * deltaTime;
+        _headMouseX -= measuredYawRate * HORIZONTAL_PIXELS_PER_DEGREE * deltaTime;
         _headMouseY -= measuredPitchRate * VERTICAL_PIXELS_PER_DEGREE * deltaTime;
     }
     _headMouseX = max(_headMouseX, 0);
diff --git a/interface/src/SerialInterface.cpp b/interface/src/SerialInterface.cpp
index 233a004568..1989736bf8 100644
--- a/interface/src/SerialInterface.cpp
+++ b/interface/src/SerialInterface.cpp
@@ -203,8 +203,8 @@ void SerialInterface::readData() {
         
         //  Convert the integer rates to floats
         const float LSB_TO_DEGREES_PER_SECOND = 1.f / 16.4f;     //  From MPU-9150 register map, 2000 deg/sec.        
-        _lastRollRate = ((float) rollRate) * LSB_TO_DEGREES_PER_SECOND;
-        _lastYawRate = ((float) yawRate) * LSB_TO_DEGREES_PER_SECOND;
+        _lastRollRate = ((float) -rollRate) * LSB_TO_DEGREES_PER_SECOND;
+        _lastYawRate = ((float) -yawRate) * LSB_TO_DEGREES_PER_SECOND;
         _lastPitchRate = ((float) -pitchRate) * LSB_TO_DEGREES_PER_SECOND;
         
         //  Accumulate a set of initial baseline readings for setting gravity