diff --git a/check_coturn.sh b/check_coturn.sh
index 6952b5f..5e7333f 100755
--- a/check_coturn.sh
+++ b/check_coturn.sh
@@ -12,8 +12,10 @@ SEND_DROPPED_WARN=3
 SEND_DROPPED_CRIT=5
 AVG_RTT_WARN=100
 AVG_RTT_CRIT=200
+REQUESTED_RELAY_ADDR="false"
 
-while getopts "s:S:u:r:p:w:c:W:C:R:T:" opt; do
+
+while getopts "s:S:u:r:p:w:c:W:C:R:T:x:" opt; do
   case $opt in
   s)
     SERVER_ADDRESS="$OPTARG"
@@ -45,8 +47,11 @@ while getopts "s:S:u:r:p:w:c:W:C:R:T:" opt; do
   T)
     AVG_RTT_CRIT="$OPTARG"
     ;;
+  x)
+    REQUESTED_RELAY_ADDR="-x $OPTARG"
+    ;;
   *)
-    echo "Usage: $0 -s SERVER_ADDRESS -S SECRET -r REALM [-p PORT] [-P PROTOCOL] [-t TIMEOUT] [-w LOST_PACKETS_WARN] [-c LOST_PACKETS_CRIT] [-W SEND_DROPPED_WARN] [-C SEND_DROPPED_CRIT] [-R AVG_RTT_WARN] [-T AVG_RTT_CRIT]"
+    echo "Usage: $0 -s SERVER_ADDRESS -S SECRET -r REALM [-p PORT] [-P PROTOCOL] [-t TIMEOUT] [-w LOST_PACKETS_WARN] [-c LOST_PACKETS_CRIT] [-W SEND_DROPPED_WARN] [-C SEND_DROPPED_CRIT] [-R AVG_RTT_WARN] [-T AVG_RTT_CRIT] [-x REQUESTED_RELAY_ADDR]"
     exit -1
     ;;
   esac
@@ -54,12 +59,12 @@ done
 
 # Check if required options are set
 if [[ -z "$SERVER_ADDRESS" || -z "$SECRET" || -z "$REALM" ]]; then
-  echo "Usage: $0 -s SERVER_ADDRESS -S SECRET -r REALM [-p PORT] [-P PROTOCOL] [-t TIMEOUT] [-w LOST_PACKETS_WARN] [-c LOST_PACKETS_CRIT] [-W SEND_DROPPED_WARN] [-C SEND_DROPPED_CRIT] [-R AVG_RTT_WARN] [-T AVG_RTT_CRIT]"
+  echo "Usage: $0 -s SERVER_ADDRESS -S SECRET -r REALM [-p PORT] [-P PROTOCOL] [-t TIMEOUT] [-w LOST_PACKETS_WARN] [-c LOST_PACKETS_CRIT] [-W SEND_DROPPED_WARN] [-C SEND_DROPPED_CRIT] [-R AVG_RTT_WARN] [-T AVG_RTT_CRIT] [-x REQUESTED_RELAY_ADDR]"
   exit -1
 fi
 
 if ! command -v turnutils_uclient &>/dev/null; then
-  echo "UNKNOWN - turnutils_uclient not found! Please install coturn. Make sure to run \`service coturn stop; systemctl disable coturn\`"
+  echo "UNKNOWN - turnutils_uclient not found! Please install coturn. Make sure to run \`sudo apt install coturn; sudo service coturn stop; sudo systemctl disable coturn\`"
   exit -1
 fi
 
@@ -78,7 +83,7 @@ if [[ -z "$PEER_ADDRESS" ]]; then
   exit -1
 fi
 
-TURNUTILS_OUTPUT=$(turnutils_uclient -s -W "$SECRET" -r "$REALM" -p "$PORT" -e "$PEER_ADDRESS" -B -y "$SERVER_ADDRESS" 2>&1)
+TURNUTILS_OUTPUT=$(turnutils_uclient "$SERVER_ADDRESS" -s -W "$SECRET" -r "$REALM" -p "$PORT" -e "$PEER_ADDRESS" $REQUESTED_RELAY_ADDR -B -y 2>&1)
 
 if [ $? -eq 0 ]; then
   LOST_PACKETS=$(echo "$TURNUTILS_OUTPUT" | grep -m1 "Total lost packets" | awk -F'[(%)]' '{print $2"%"}' | tr -d '%' | cut -d. -f1)