diff --git a/evocheck.sh b/evocheck.sh
index 144820f..3894b5d 100755
--- a/evocheck.sh
+++ b/evocheck.sh
@@ -622,9 +622,9 @@ if is_debian; then
     # Verify if all if are in auto
     if [ "$IS_AUTOIF" = 1 ]; then
         if is_debian_stretch; then
-            interfaces=$(/sbin/ip address show up | grep "^[0-9]*:" | grep -E -v "(lo|vnet|docker|veth|tun|tap|macvtap)" | cut -d " " -f 2 |tr -d : |cut -d@ -f1 |tr "\n" " ")
+            interfaces=$(/sbin/ip address show up | grep "^[0-9]*:" | grep -E -v "(lo|vnet|docker|veth|tun|tap|macvtap)" | cut -d " " -f 2 | tr -d : | cut -d@ -f1 | tr "\n" " ")
         else
-            interfaces=$(/sbin/ifconfig -s |tail -n +2 |grep -E -v "^(lo|vnet|docker|veth|tun|tap|macvtap)" |cut -d " " -f 1 |tr "\n" " ")
+            interfaces=$(/sbin/ifconfig -s | tail -n +2 | grep -E -v "^(lo|vnet|docker|veth|tun|tap|macvtap)" | cut -d " " -f 1 |tr "\n" " ")
         fi
         for interface in $interfaces; do
             if ! grep -q "^auto $interface" /etc/network/interfaces; then