diff --git a/agent/cloud-agent.8 b/agent/cloud-agent.8
index c708508..2c6e2c4 100644
--- a/agent/cloud-agent.8
+++ b/agent/cloud-agent.8
@@ -68,7 +68,7 @@ of the VM's primary networking interface:
 .Bd -literal -offset indent
 # cat /etc/hostname.hvn0
 dhcp
-!/usr/local/libexec/cloud-agent "\$if"
+!/usr/local/libexec/cloud-agent "\e$if"
 .Ed
 .Sh FILES
 .Bl -tag -width "/usr/local/libexec/cloud-agentX" -compact