diff --git a/cluster/apt.apply.update.sh b/cluster/apt.apply.update.sh
index aeaaaff..55b374b 100755
--- a/cluster/apt.apply.update.sh
+++ b/cluster/apt.apply.update.sh
@@ -138,16 +138,20 @@ is_job_running() {                                            # {{{
 
 	local_sge_hostname="${1}"
 	## List SGE informations about the host
-	### And get the number of used slots
+	### And get the number of used slots from all queues
+	### Sort the results
+	### Only get the last result (greater number of used slots)
 	local_sge_slots_used=$(qhost -h "${local_sge_hostname:=/dev/null}" -q -xml \
 		| grep slots_used \
-		| sed 's;.*<queuevalue.*>\(.*\)</queuevalue>;\1;')
+		| sed 's;.*<queuevalue.*>\(.*\)</queuevalue>;\1;' \
+		| sort --numeric-sort \
+		| tail --lines=1)
 
 	case "${local_sge_slots_used}" in
 		0 ) ## No jobs are running
 			return_job_running="1"
 			;;
-		* ) ## Results (header + queue name) so the queue is disable
+		* ) ## Some jobs are running
 			return_job_running="0"
 			;;
 esac