diff --git a/release_version.txt b/release_version.txt
index c4d30e8..fcc0dc5 100644
--- a/release_version.txt
+++ b/release_version.txt
@@ -1 +1 @@
-1.8.8.F2,no boolean for jq, it considers "false" as missing (null)
+1.8.8.F3,syntax fix
diff --git a/scripts/healthcheck/hosts_check.sh b/scripts/healthcheck/hosts_check.sh
index fbfc1c7..404fbe4 100755
--- a/scripts/healthcheck/hosts_check.sh
+++ b/scripts/healthcheck/hosts_check.sh
@@ -5,12 +5,12 @@
 #         "users": ["oleg"],
 #         "type": "cloud",
 #         "ssh_port": 7822,
-#         # "to_check": "false"
+#         "to_check": "false"
 #         "timeout_sec": 5
 #     },
 
-RootDir="${HOME}/prod"
-# RootDir=/home/oleg/develop/cvtt2  ###### D E B U G
+# RootDir="${HOME}/prod"
+RootDir=/home/oleg/develop/cvtt2  ###### D E B U G
 
 AlertChannel=Alerts-CVTT
 Sender=${RootDir}/ops/utils/send_mmost.sh
@@ -65,11 +65,12 @@ for Host in ${Hosts[@]} ; do
     Timeout=$(echo "$HOSTS_CONFIG" | jq -r --arg domain "$Domain" --arg host "$host" '.[$domain][$host].timeout_sec // '"$DEFAULT_TIMEOUT"'')
 
     ToCheck=$(echo "$HOSTS_CONFIG" | jq -r --arg domain "$Domain" --arg host "$host" '.[$domain][$host].to_check // '"$DEFAULT_TO_CHECK"'')
-    to_check="${ToCheck}^^"
-    if [ "${to_check}" != "TRUE" && "${to_check}" != "YES" && "${to_check}" != "Y" && "${to_check}" != "T" ]; then
+    to_check="${ToCheck^^}"
+    if [ "${to_check}" == "TRUE" -o "${to_check}" == "YES" -o "${to_check}" == "Y" -o "${to_check}" == "T" ] ; then
+        echo "Checking host: $Host on port $PortSSH"
+    else
         continue
     fi
-    echo "Checking host: $Host on port $PortSSH"
 
     # Use nc to check if the specified port is open
     if ! nc -z -w ${Timeout} "$Host" "$PortSSH"; then