diff --git a/src/BulletCollision/CollisionShapes/btCapsuleShape.h b/src/BulletCollision/CollisionShapes/btCapsuleShape.h
index 7d64b46ab..5a3362834 100644
--- a/src/BulletCollision/CollisionShapes/btCapsuleShape.h
+++ b/src/BulletCollision/CollisionShapes/btCapsuleShape.h
@@ -49,6 +49,7 @@ public:
 	virtual void setMargin(btScalar collisionMargin)
 	{
 		//don't override the margin for capsules, their entire radius == margin
+		(void)collisionMargin;
 	}
 
 	virtual void getAabb (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const