diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index a9af9d947f..0d64595242 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -298,7 +298,7 @@ void Application::paintGL() {
     if (_myCamera.getMode() == CAMERA_MODE_MIRROR) {
         _myCamera.setTightness     (100.0f); 
         _myCamera.setTargetPosition(_myAvatar.getBallPosition(AVATAR_JOINT_HEAD_BASE));
-        _myCamera.setTargetRotation(_myAvatar.getWorldAlignedOrientation() * glm::quat(glm::vec3(0.0f, PI, 0.0f)));
+        _myCamera.setTargetRotation(_myAvatar.getWorldAlignedOrientation() * glm::quat(glm::vec3(0.0f, PIf, 0.0f)));
         
     } else if (OculusManager::isConnected()) {
         _myCamera.setUpShift       (0.0f);
diff --git a/interface/src/Avatar.cpp b/interface/src/Avatar.cpp
index 92520cfd56..afa9572b98 100644
--- a/interface/src/Avatar.cpp
+++ b/interface/src/Avatar.cpp
@@ -1309,7 +1309,7 @@ void Avatar::renderJointConnectingCone(glm::vec3 position1, glm::vec3 position2,
             // the rectangles that comprise the sides of the cone section are
             // referenced by "a" and "b" in one dimension, and "1", and "2" in the other dimension.
             anglea = angleb;
-            angleb = ((float)(i+1) / (float)NUM_BODY_CONE_SIDES) * PI * 2.0f;
+            angleb = ((float)(i+1) / (float)NUM_BODY_CONE_SIDES) * PIf * 2.0f;
             
             float sa = sinf(anglea);
             float sb = sinf(angleb);