diff --git a/src/CNStructs.hpp b/src/CNStructs.hpp
index 3c6bfdd..8fd70ca 100644
--- a/src/CNStructs.hpp
+++ b/src/CNStructs.hpp
@@ -5,14 +5,20 @@
 #ifndef _CNS_HPP
 #define _CNS_HPP
 
+#ifdef _MSC_VER
+// codecvt_* is deprecated in C++17 and MSVC will throw an annoying warning because of that.
+// Defining this before anything else to silence it.
+#define _SILENCE_CXX17_CODECVT_HEADER_DEPRECATION_WARNING
+#endif
+
 #include <iostream>
 #include <stdio.h>
 #include <stdint.h>
-// Can't use this in MSVC.
 #ifndef _MSC_VER
-	#include <sys/time.h>
+#include <sys/time.h>
 #else
-	#include <time.h>
+// Can't use this in MSVC.
+#include <time.h>
 #endif
 #include <cstring>
 #include <string>