diff --git a/glm/gtc/quaternion.inl b/glm/gtc/quaternion.inl
index a5ab33e0..e846fdc4 100644
--- a/glm/gtc/quaternion.inl
+++ b/glm/gtc/quaternion.inl
@@ -474,7 +474,8 @@ namespace quaternion{
         typename detail::tquat<T>::value_type AngleRad = radians(angle);
         typename detail::tquat<T>::value_type fSin = sin(AngleRad * T(0.5));
 
-        return gtc::quaternion::cross(q, detail::tquat<T>(cos(AngleRad * T(0.5)), Tmp.x * fSin, Tmp.y * fSin, Tmp.z * fSin));
+		return q * detail::tquat<T>(cos(AngleRad * T(0.5)), Tmp.x * fSin, Tmp.y * fSin, Tmp.z * fSin);
+        //return gtc::quaternion::cross(q, detail::tquat<T>(cos(AngleRad * T(0.5)), Tmp.x * fSin, Tmp.y * fSin, Tmp.z * fSin));
 	}
 
     template <typename T>