diff --git a/src/drivers/net/3c595.c b/src/drivers/net/3c595.c
index c69831005..1fab56aa9 100644
--- a/src/drivers/net/3c595.c
+++ b/src/drivers/net/3c595.c
@@ -342,8 +342,7 @@ eeprom_rdy()
  * before
  */
 static int
-get_e(offset)
-int offset;
+get_e(int offset)
 {
 	if (!eeprom_rdy())
 		return (0xffff);