pppoe: Fix syntax error.

diff --git a/hooks/zones/pppoe b/hooks/zones/pppoe
index 1b73733428dde60dd8f6502f0d6a01352051684e..fddec9d3e0932c4593943ed9f2e94d6466bc8b63 100755 (executable)
--- a/hooks/zones/pppoe
+++ b/hooks/zones/pppoe
@@ -195,7 +195,7 @@ function _status() {
 
 function _ppp-ip-pre-up() {
        local zone=${1}
-       assert isset ${zone}
+       assert isset zone
 
        # Read the configuration.
        zone_config_read ${zone}
@@ -208,7 +208,7 @@ function _ppp-ip-pre-up() {
 
 function _ppp-ip-down() {
        local zone=${1}
-       assert isset ${zone}
+       assert isset zone
 
        # Read the configuation.
        zone_config_read ${zone}