diff --git a/ppp_installer/install.sh b/ppp_installer/install.sh
index 83506dd..aa6ab3f 100755
--- a/ppp_installer/install.sh
+++ b/ppp_installer/install.sh
@@ -129,7 +129,7 @@ sed -i "s/#APN/$carrierapn/" provider
 sed -i "s/#DEVICE/$devicename/" provider
 mv provider /etc/ppp/peers/provider
 
-if ! (grep -q 'route' /etc/ppp/ip-up ); then
+if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
     echo "sudo route del default" >> /etc/ppp/ip-up
     echo "sudo route add default ppp0" >> /etc/ppp/ip-up
 fi