diff --git a/system_encoding.c b/system_encoding.c
index 96d4213..d9bf42f 100644
--- a/system_encoding.c
+++ b/system_encoding.c
@@ -1,5 +1,9 @@
 #include "system_encoding.h"
 
 char* get_system_encoding() {
+#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)
 	return nl_langinfo(CODESET);
+#else
+	return "ASCII";
+#endif
 }
diff --git a/system_encoding.h b/system_encoding.h
index 286a8aa..63cf6b1 100644
--- a/system_encoding.h
+++ b/system_encoding.h
@@ -1,7 +1,9 @@
 #ifndef __SYSTEM_ENCODING__
 #define __SYSTEM_ENCODING__
 
+#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)
 #include <langinfo.h>
+#endif
 
 char* get_system_encoding();