diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c
index 1b4063222a82..edf23c9ea63c 100644
--- a/drivers/net/dnet.c
+++ b/drivers/net/dnet.c
@@ -9,6 +9,7 @@
  * published by the Free Software Foundation.
  */
 #include <linux/version.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/kernel.h>