diff --git a/arpspoof/rootfs/etc/cont-init.d/99-run.sh b/arpspoof/rootfs/etc/cont-init.d/99-run.sh
index caef78486..895d30aa2 100644
--- a/arpspoof/rootfs/etc/cont-init.d/99-run.sh
+++ b/arpspoof/rootfs/etc/cont-init.d/99-run.sh
@@ -2,6 +2,7 @@
 
 # Autodefine if not defined
 if [ -n "$INTERFACE_NAME" ]; then
+    # shellcheck disable=SC2155
     export INTERFACE_NAME="$(ip route get 8.8.8.8 | sed -nr 's/.*dev ([^\ ]+).*/\1/p')"
     bashio::log.blue "Autodetection : INTERFACE_NAME=$INTERFACE_NAME"
 fi