diff --git a/cluster/sge.enable.host.queue.sh b/cluster/sge.enable.host.queue.sh
index 37e3d17..065dd27 100755
--- a/cluster/sge.enable.host.queue.sh
+++ b/cluster/sge.enable.host.queue.sh
@@ -87,6 +87,24 @@ message() {                                                     # {{{
 
 	return 0
 
+}
+# }}}
+define_vars() {                                                 # {{{
+
+	## If sge_hostname wasn't defined
+	if [ -z "${sge_hostname}" ]; then
+		## Use local host for sge_hostname
+		sge_hostname="$(hostname -f)"
+	fi
+
+	sge_queues_name="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
+		| grep "queue name" \
+		| cut -d"'" -f2 )"
+	sge_queues_name_print="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
+		| grep "queue name" \
+		| cut -d"'" -f2 \
+		| tr -s '\n' ' ' )"
+
 }
 # }}}
 is_apt_upgrade_present() {                                      # {{{
@@ -256,14 +274,8 @@ Previously disabled by a script (or FORCE is enable), try to enable SGE queue: $
 # }}}
 main() {                                                        # {{{
 
-	sge_queues_name="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
-		| grep "queue name" \
-		| cut -d"'" -f2 )"
-	sge_queues_name_print="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
-		| grep "queue name" \
-		| cut -d"'" -f2 \
-		| tr -s '\n' ' ' )"
-
+	## Define all vars according the selected options
+	define_vars
 
 	## If APT package upgrade is available
 	### Exit (wait for APT upgrade to be applied)
@@ -331,9 +343,6 @@ if [ ! "${NBARGS}" -eq "0" ]; then
 		## Switch to the next argument
 		shift
 		manage_arg=$((manage_arg+1))
-	else
-		## Use local host for sge_hostname
-		sge_hostname="$(hostname -f)"
 	fi
 
 	# Parse all options (start with a "-") one by one
@@ -387,9 +396,6 @@ ${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
 else
 	debug_message "Arguments management − \
 No arguments/options to manage."
-
-	## Use local host for sge_hostname
-	sge_hostname="$(hostname -f)"
 fi
 
 # }}}