diff --git a/include/compat/sys/types.h b/include/compat/sys/types.h
index dcd8067..701b77a 100644
--- a/include/compat/sys/types.h
+++ b/include/compat/sys/types.h
@@ -20,12 +20,14 @@
 
 #ifdef __MINGW32__
 #include <_bsd_types.h>
+typedef uint32_t        in_addr_t;
 #endif
 
 #ifdef _MSC_VER
 typedef unsigned char   u_char;
 typedef unsigned short  u_short;
 typedef unsigned int    u_int;
+typedef uint32_t        in_addr_t;
 
 #include <basetsd.h>
 typedef SSIZE_T ssize_t;