diff --git a/include/minix/types.h b/include/minix/types.h
index 6a4f46fe5..f98ac6e16 100644
--- a/include/minix/types.h
+++ b/include/minix/types.h
@@ -141,4 +141,8 @@ typedef char		*caddr_t;
 
 #endif /* _MINIX || __minix */
 
+#if defined(_MINIX)
+typedef unsigned int    uint;           /* Sys V compatibility */
+#endif
+
 #endif /* _TYPES_H */