diff --git a/config.h.in b/config.h.in
index 5e48dcf57..9cd1fbe97 100644
--- a/config.h.in
+++ b/config.h.in
@@ -70,6 +70,12 @@
 /* Define to `int' if <sys/types.h> doesn't define.  */
 #undef ssize_t
 
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef dev_t
+
+/* Define to `unsigned int' if <sys/types.h> doesn't define.  */
+#undef ino_t
+
 /* Define to be nil if C compiler doesn't support "const."  */
 #undef const