diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index 3ce880fd2..652cbfd42 100644
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -43,13 +43,20 @@ mwan3_rtmon_ipv4()
 	local ret=1
 	local tbl=""
 
-	local tid
+	local tid family enabled
 
 	mkdir -p /tmp/mwan3rtmon
 	($IP4 route list table main  | grep -v "^default\|linkdown" | sort -n; echo empty fixup) >/tmp/mwan3rtmon/ipv4.main
 	while uci get mwan3.@interface[$idx] >/dev/null 2>&1 ; do
 		tid=$((idx+1))
-		[ "$(uci get mwan3.@interface[$idx].family)" = "ipv4" ] && {
+
+		family="$(uci -q get mwan3.@interface[$idx].family)"
+		[ -z "$family" ] && family="ipv4"
+
+		enabled="$(uci -q get mwan3.@interface[$idx].enabled)"
+		[ -z "$enabled" ] && enabled="0"
+
+		[ "$family" = "ipv4" ] && {
 			tbl=$($IP4 route list table $tid 2>/dev/null)
 			if echo "$tbl" | grep -q ^default; then
 				(echo "$tbl"  | grep -v "^default\|linkdown" | sort -n; echo empty fixup) >/tmp/mwan3rtmon/ipv4.$tid
@@ -61,7 +68,7 @@ mwan3_rtmon_ipv4()
 				done
 			fi
 		}
-		if [ "$(uci get mwan3.@interface[$idx].enabled)" = "1" ]; then
+		if [ "$enabled" = "1" ]; then
 			ret=0
 		fi
 		idx=$((idx+1))
@@ -78,13 +85,21 @@ mwan3_rtmon_ipv6()
 	local ret=1
 	local tbl=""
 
-	local tid
+	local tid family enabled
 
 	mkdir -p /tmp/mwan3rtmon
 	($IP6 route list table main  | grep -v "^default\|^::/0\|^fe80::/64\|^unreachable" | sort -n; echo empty fixup) >/tmp/mwan3rtmon/ipv6.main
 	while uci get mwan3.@interface[$idx] >/dev/null 2>&1 ; do
 		tid=$((idx+1))
-		[ "$(uci get mwan3.@interface[$idx].family)" = "ipv6" ] && {
+
+		family="$(uci -q get mwan3.@interface[$idx].family)"
+		# Set default family to ipv4 that is no mistake
+		[ -z "$family" ] && family="ipv4"
+
+		enabled="$(uci -q get mwan3.@interface[$idx].enabled)"
+		[ -z "$enabled" ] && enabled="0"
+
+		[ "$family" = "ipv6" ] && {
 			tbl=$($IP6 route list table $tid 2>/dev/null)
 			if echo "$tbl" | grep -q "^default\|^::/0"; then
 				(echo "$tbl"  | grep -v "^default\|^::/0\|^unreachable" | sort -n; echo empty fixup) >/tmp/mwan3rtmon/ipv6.$tid
@@ -96,7 +111,7 @@ mwan3_rtmon_ipv6()
 				done
 			fi
 		}
-		if [ "$(uci get mwan3.@interface[$idx].enabled)" = "1" ]; then
+		if [ "$enabled" = "1" ]; then
 			ret=0
 		fi
 		idx=$((idx+1))