diff --git a/glm/detail/func_common.inl b/glm/detail/func_common.inl
index 8c615f11..4b5f1441 100644
--- a/glm/detail/func_common.inl
+++ b/glm/detail/func_common.inl
@@ -288,7 +288,7 @@ namespace detail
 			"'sign' only accept signed inputs");
 
 		return detail::compute_sign<1, genFIType, defaultp,
-                                    std::numeric_limits<genFIType>::is_iec559, detailed::is_aligned<highp>::value>::call(vec<1, genFIType>(x)).x;
+                                    std::numeric_limits<genFIType>::is_iec559, detail::is_aligned<highp>::value>::call(vec<1, genFIType>(x)).x;
 	}
 
 	template<length_t L, typename T, qualifier Q>