diff --git a/config-win32.h b/config-win32.h
index 520c1ca67..d90d21dc7 100644
--- a/config-win32.h
+++ b/config-win32.h
@@ -23,6 +23,9 @@
 /* Define to `unsigned' if <sys/types.h> doesn't define.  */
 /* #undef size_t */
 
+/* Define this to 'int' if ssize_t is not an available typedefed type */
+#define ssize_t int
+
 /* Define if you have the ANSI C header files.  */
 #define STDC_HEADERS 1