diff --git a/commands/net.c b/commands/net.c
index c5c6373dd..a453f4ed3 100644
--- a/commands/net.c
+++ b/commands/net.c
@@ -28,6 +28,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <complete.h>
 #include <environment.h>
 #include <driver.h>
 #include <net.h>
@@ -96,5 +97,6 @@ BAREBOX_CMD_START(ethact)
 	.cmd		= do_ethact,
 	.usage		= "set current ethernet device",
 	BAREBOX_CMD_HELP(cmd_ethact_help)
+	BAREBOX_CMD_COMPLETE(eth_complete)
 BAREBOX_CMD_END
 
diff --git a/include/complete.h b/include/complete.h
index 006369c2c..12c4e15c7 100644
--- a/include/complete.h
+++ b/include/complete.h
@@ -14,6 +14,7 @@ void complete_reset(void);
 int command_complete(struct string_list *sl, char *instr);
 int device_complete(struct string_list *sl, char *instr);
 int empty_complete(struct string_list *sl, char *instr);
+int eth_complete(struct string_list *sl, char *instr);
 
 #endif /* __COMPLETE_ */
 
diff --git a/net/eth.c b/net/eth.c
index 130805b7a..4ea9fb0f4 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <complete.h>
 #include <driver.h>
 #include <init.h>
 #include <net.h>
@@ -109,6 +110,26 @@ struct eth_device *eth_get_byname(char *ethname)
 	return NULL;
 }
 
+#ifdef CONFIG_AUTO_COMPLETE
+int eth_complete(struct string_list *sl, char *instr)
+{
+	struct eth_device *edev;
+	const char *devname;
+	int len;
+
+	len = strlen(instr);
+
+	list_for_each_entry(edev, &netdev_list, list) {
+		devname = dev_name(&edev->dev);
+		if (strncmp(instr, devname, len))
+			continue;
+
+		string_list_add_asprintf(sl, "%s ", devname);
+	}
+	return COMPLETE_CONTNINUE;
+}
+#endif
+
 int eth_send(void *packet, int length)
 {
 	int ret;