diff --git a/dsmon.sh b/dsmon.sh
index 3f61f3c..8b53045 100755
--- a/dsmon.sh
+++ b/dsmon.sh
@@ -136,6 +136,7 @@ CHECK(){
 	echo -en "${idsCL[LightCyan]}${MSG}${spc}: "
 	#for hostid in "${!host_ip[@]}"; do
 	for hostname in "${hostnames_sort[@]}"; do
+		until [ $(ls /tmp/dscheck.${hostname}.running 2>/dev/null | wc -l) -lt 2 ]; do tmp=tmp; done
 		RUN_CHECK ${hostname} > /tmp/dscheck.${hostname}.results 2>/dev/null &
 	done
 	echo -e "${idsCL[LightGreen]}Done${idsCL[Default]}"
@@ -171,6 +172,7 @@ CHECK(){
 
 RUN_CHECK(){
 	hostname=${1}
+	touch /tmp/dscheck.${hostname}.running
 	hostid=${host_ids[$hostname]}
 	# if [ "${1}" != "report" ]; then
 		echo -e "${idsST[Bold]}"; DIVIDER false lightCyan 85
@@ -308,7 +310,7 @@ RUN_CHECK(){
 		# [ "${1}" != "report" ] &&
 		echo -e "${idsCL[Yellow]} ${host_name[$hostid]} is down${idsCL[Default]}"; echo
 	fi
-	touch /tmp/dscheck.${hostname}.done
+	mv /tmp/dscheck.${hostname}.running /tmp/dscheck.${hostname}.done
 }
 
 SETUPSSH(){