diff --git a/docker/fatt/Dockerfile b/docker/fatt/Dockerfile
index 7247823d..66ae4480 100644
--- a/docker/fatt/Dockerfile
+++ b/docker/fatt/Dockerfile
@@ -40,4 +40,4 @@ RUN sed -i 's/dl-cdn/dl-2/g' /etc/apk/repositories && \
 STOPSIGNAL SIGINT
 ENV PYTHONPATH /opt/fatt
 WORKDIR /opt/fatt
-CMD python3 fatt.py -i $(/sbin/ip address | grep '^2: ' | awk '{ print $2 }' | tr -d [:punct:]) --print_output --json_logging -o log/fatt.log
+CMD python3 fatt.py -i $(/sbin/ip address show | /usr/bin/awk '/inet.*brd/{ print $NF; exit }') --print_output --json_logging -o log/fatt.log
diff --git a/docker/glutton/Dockerfile b/docker/glutton/Dockerfile
index 7322eb54..7b0f141d 100644
--- a/docker/glutton/Dockerfile
+++ b/docker/glutton/Dockerfile
@@ -53,4 +53,4 @@ RUN sed -i 's/dl-cdn/dl-2/g' /etc/apk/repositories && \
 # Start glutton 
 WORKDIR /opt/glutton
 USER glutton:glutton
-CMD exec bin/server -i $(/sbin/ip address | grep '^2: ' | awk '{ print $2 }' | tr -d [:punct:]) -l /var/log/glutton/glutton.log > /dev/null 2>&1
+CMD exec bin/server -i $(/sbin/ip address show | /usr/bin/awk '/inet.*brd/{ print $NF; exit }') -l /var/log/glutton/glutton.log > /dev/null 2>&1
diff --git a/docker/p0f/Dockerfile b/docker/p0f/Dockerfile
index 5da6b822..3694bc06 100644
--- a/docker/p0f/Dockerfile
+++ b/docker/p0f/Dockerfile
@@ -32,4 +32,4 @@ RUN apk -U --no-cache add \
 # Start p0f
 WORKDIR /opt/p0f
 USER p0f:p0f
-CMD exec /opt/p0f/p0f -u p0f -j -o /var/log/p0f/p0f.json -i $(/sbin/ip address | grep '^2: ' | awk '{ print $2 }' | tr -d [:punct:]) > /dev/null
+CMD exec /opt/p0f/p0f -u p0f -j -o /var/log/p0f/p0f.json -i $(/sbin/ip address show | /usr/bin/awk '/inet.*brd/{ print $NF; exit }') > /dev/null