diff --git a/interface/src/avatar/Avatar.cpp b/interface/src/avatar/Avatar.cpp
index c8f60ef51e..e9e98b8705 100755
--- a/interface/src/avatar/Avatar.cpp
+++ b/interface/src/avatar/Avatar.cpp
@@ -131,6 +131,8 @@ Avatar::Avatar(Node* owningNode) :
     } else {
         _balls = NULL;
     }
+
+    _collisionRadius = _height * 0.125f;
 }
 
 
@@ -978,7 +980,7 @@ void Avatar::updateCollisionWithSphere(glm::vec3 position, float radius, float d
 
 void Avatar::updateCollisionWithEnvironment(float deltaTime) {
     glm::vec3 up = getBodyUpDirection();
-    float radius = _height * 0.125f;
+    float radius = _collisionRadius;
     const float ENVIRONMENT_SURFACE_ELASTICITY = 1.0f;
     const float ENVIRONMENT_SURFACE_DAMPING = 0.01;
     const float ENVIRONMENT_COLLISION_FREQUENCY = 0.05f;
@@ -994,7 +996,7 @@ void Avatar::updateCollisionWithEnvironment(float deltaTime) {
 
 
 void Avatar::updateCollisionWithVoxels(float deltaTime) {
-    float radius = _height * 0.125f;
+    float radius = _collisionRadius;
     const float VOXEL_ELASTICITY = 1.4f;
     const float VOXEL_DAMPING = 0.0;
     const float VOXEL_COLLISION_FREQUENCY = 0.5f;
@@ -1643,5 +1645,9 @@ void Avatar::setScale(const float scale) {
     _pelvisFloatingHeight = _skeleton.getPelvisFloatingHeight() + _bodyBall[ BODY_BALL_LEFT_HEEL ].radius;
     _pelvisToHeadLength   = _skeleton.getPelvisToHeadLength();
     _avatarTouch.setReachableRadius(_scale * PERIPERSONAL_RADIUS);
+
+    Camera* myCamera = Application::getInstance()->getCamera();
+    _collisionRadius = myCamera->getAspectRatio() * (myCamera->getNearClip() / cos(myCamera->getFieldOfView() / 2.f));
+    _collisionRadius *= COLLISION_RADIUS_SCALAR;
 }
 
diff --git a/interface/src/avatar/Avatar.h b/interface/src/avatar/Avatar.h
index ab122ee81b..155028c43f 100755
--- a/interface/src/avatar/Avatar.h
+++ b/interface/src/avatar/Avatar.h
@@ -273,6 +273,7 @@ private:
     bool        _speedBrakes;
     bool        _isThrustOn;
     bool        _isCollisionsOn;
+    float       _collisionRadius;
 
     Avatar*     _leadingAvatar;
     float       _stringLength;