diff --git a/glm/gtc/quaternion.inl b/glm/gtc/quaternion.inl
index 951b62c4..6422cf6b 100644
--- a/glm/gtc/quaternion.inl
+++ b/glm/gtc/quaternion.inl
@@ -255,7 +255,7 @@ namespace detail
 	template <typename T, precision P>
 	struct compute_dot<tquat, T, P>
 	{
-		static T call(tquat<T, P> const & x, tquat<T, P> const & y)
+		static GLM_FUNC_QUALIFIER T call(tquat<T, P> const & x, tquat<T, P> const & y)
 		{
 			tvec4<T, P> tmp(x.x * y.x, x.y * y.y, x.z * y.z, x.w * y.w);
 			return (tmp.x + tmp.y) + (tmp.z + tmp.w);