diff --git a/muninlite.conf b/muninlite.conf
index 192b84d..3b47427 100644
--- a/muninlite.conf
+++ b/muninlite.conf
@@ -1,3 +1,5 @@
 # the following variables are added to the top of the assembled muninlite script
 NTP_PEER="pool.ntp.org"
 DF_IGNORE_FILESYSTEM_REGEX="(none|unknown|rootfs|iso9660|squashfs|udf|romfs|ramfs|debugfs|cgroup_root|devtmpfs)"
+
+#INTERFACE_NAMES_OVERRIDE="eth0"
diff --git a/muninlite.in b/muninlite.in
index 10f5d7a..55f321b 100755
--- a/muninlite.in
+++ b/muninlite.in
@@ -78,7 +78,11 @@ RES=""
 for PLUG in $PLUGINS; do
   case "$PLUG" in
     if_|if_err_)
-      interface_names=$(sed 's/^ *//; s/:.*$//; / /d; /^lo$/d' /proc/net/dev)
+      if [ -z "${INTERFACE_NAMES_OVERRIDE:-}" ]; then
+        interface_names=$(sed 's/^ *//; s/:.*$//; / /d; /^lo$/d' /proc/net/dev)
+      else
+        interface_names="$INTERFACE_NAMES_OVERRIDE"
+      fi
       for INTER in $interface_names; do
         INTERRES=$(echo "$INTER" | sed -e 's/\./VLAN/' -e 's/\-/_/g')
         RES="$RES ${PLUG}${INTERRES}"