diff --git a/glm/detail/type_vec4.inl b/glm/detail/type_vec4.inl
index 00320835..d891e038 100644
--- a/glm/detail/type_vec4.inl
+++ b/glm/detail/type_vec4.inl
@@ -970,6 +970,6 @@ namespace detail
 	}
 }//namespace glm
 
-#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS
+#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_ALIGNED_TYPE
 #	include "type_vec4_simd.inl"
 #endif
diff --git a/glm/gtc/quaternion.inl b/glm/gtc/quaternion.inl
index 60cae12f..ff610980 100644
--- a/glm/gtc/quaternion.inl
+++ b/glm/gtc/quaternion.inl
@@ -795,7 +795,7 @@ namespace detail
 	}
 }//namespace glm
 
-#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS
+#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_ALIGNED_TYPE
 #	include "quaternion_simd.inl"
 #endif