diff --git a/include/cglm/types.h b/include/cglm/types.h
index ad4eb02..4a7d019 100644
--- a/include/cglm/types.h
+++ b/include/cglm/types.h
@@ -9,7 +9,7 @@
 #define cglm_types_h
 
 #if defined(_MSC_VER)
-#if _MSC_VER < 1914     /* Visual Studio 2017 version 15.7 */
+#if _MSC_VER < 1913     /* Visual Studio 2017 version 15.6 */
 #  define CGLM_ALL_UNALIGNED
 /* do not use alignment for older visual studio versions */
 #  define CGLM_ALIGN(X) /* __declspec(align(X))            */