diff --git a/sys/boot/i386/libi386/pxe.c b/sys/boot/i386/libi386/pxe.c
index a0f66a711e80..cd5af3715f0b 100644
--- a/sys/boot/i386/libi386/pxe.c
+++ b/sys/boot/i386/libi386/pxe.c
@@ -308,6 +308,7 @@ pxe_open(struct open_file *f, ...)
 		}
 		setenv("boot.nfsroot.server", inet_ntoa(rootip), 1);
 		setenv("boot.nfsroot.path", rootpath, 1);
+		setenv("dhcp.host-name", hostname, 1);
 	}
     }
     pxe_opens++;