diff --git a/glm/detail/qualifier.hpp b/glm/detail/qualifier.hpp
index b6c9df0c..60887a0c 100644
--- a/glm/detail/qualifier.hpp
+++ b/glm/detail/qualifier.hpp
@@ -214,7 +214,11 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER GLM_CONSTEXPR static genType identity()
 		{
+#		ifdef GLM_FORCE_QUAT_DATA_WXYZ
 			return genType(1, 0, 0, 0);
+#		else
+			return genType(0, 0, 0, 1);
+#		endif
 		}
 	};