diff --git a/xymon/plugins/client/ext/maco.sh b/xymon/plugins/client/ext/maco.sh
index 1848142..d662022 100755
--- a/xymon/plugins/client/ext/maco.sh
+++ b/xymon/plugins/client/ext/maco.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # This script will check:
-## if upgrade is available for local Maco script (green or yellow)
+## every 10 hours if upgrade is available for local Maco script (green or yellow)
 ## if normal upgrade is planned (green or yellow)
 ## if urgent upgrade is planned (green or yellow)
 ## status of the last update (green, yellow or red)
@@ -17,6 +17,7 @@ readonly PLUGIN_RESULT="${XYMONTMP}/${MACHINEDOTS}.${TEST}.plugin_result"
 readonly PLUGIN_STATE="${XYMONTMP}/${MACHINEDOTS}.${TEST}.plugin_state"
 readonly XYMON_USERNAME="xymon"
 readonly XYMON_GROUPNAME="xymon"
+readonly MACO_VERSION_RESULT="${XYMONTMP}/${MACHINEDOTS}.${TEST}.maco_version"
 
 # By default, don't empty files newer than 10hours (600 minutes)
 readonly DEFAULT_MTIME_MINUTES="600"
@@ -27,9 +28,6 @@ readonly MACO_PENDING_UPDATE_FILE="${MACO_LOCAL_DIR}/.maco.upgrade"
 readonly MACO_PENDING_URGENT_UPDATE_FILE="${MACO_LOCAL_DIR}/.maco.urgent.upgrade"
 readonly MACO_STATUS_FILE="/var/fr.univ-rennes1.ipr.maco.machinestate.txt"
 
-# Temp files
-readonly TEMP_MACO_UPDATE="${XYMONTMP}/${MACHINEDOTS}.${TEST}.maco_update"
-
 # define colours for graphics {{{
 # Comment these out if using older BB versions
 CLEAR_PIC="&clear"
@@ -137,16 +135,16 @@ add_header()
 	#echo "<BLOCKQUOTE>"
 }
 # }}}
-# Get Maco update state {{{
-get_maco_update() {
+# Compare current Maco version to last available version {{{
+check_maco_version() {
 
 	maco_update_script_path="/opt/repos/ipr.scripts/cluster/maco.check.update.sh"
 	maco_update_script_options="--simulate"
 
-	## Run update_script and store result in TEMP_MACO_UPDATE file
-	debug_message "get_maco_update − \
+	## Run update_script and store result in MACO_VERSION_RESULT file
+	debug_message "check_maco_version − \
 Run \"${maco_update_script_path}\" script with \"${maco_update_script_options}\" options."
-	sh "${maco_update_script_path}" "${maco_update_script_options}" >> "${TEMP_MACO_UPDATE}"
+	sh "${maco_update_script_path}" "${maco_update_script_options}" >> "${MACO_VERSION_RESULT}"
 
 }
 # }}}
@@ -154,24 +152,24 @@ Run \"${maco_update_script_path}\" script with \"${maco_update_script_options}\"
 analyze_maco_update() {
 
 	debug_message "analyze_maco_update − \
-Try to detect Maco update with ${TEMP_MACO_UPDATE} content."
+Try to detect Maco update with ${MACO_VERSION_RESULT} content."
 
-	if grep -qE '^Local.* up to date.*' "${TEMP_MACO_UPDATE}"
+	if grep -qE '^Local.* up to date.*' "${MACO_VERSION_RESULT}"
 	then
 		## Add color and message to PLUGIN_RESULT for detailed informations
-		sed "s/^/\&${GREEN_PIC} /" "${TEMP_MACO_UPDATE}" >> "${PLUGIN_RESULT}"
+		sed "s/^/\&${GREEN_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
 		## Add information to PLUGIN_STATE
 		echo "36${GREEN_PIC} Maco is uptodate" >> "${PLUGIN_STATE}"
-	elif grep -qE '^Latest.* available.*' "${TEMP_MACO_UPDATE}"
+	elif grep -qE '^Latest.* available.*' "${MACO_VERSION_RESULT}"
 	then
-		sed "s/^/\&${YELLOW_PIC} /" "${TEMP_MACO_UPDATE}" >> "${PLUGIN_RESULT}"
+		sed "s/^/\&${YELLOW_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
 		echo "26${YELLOW_PIC} Maco needs upgrade" >> "${PLUGIN_STATE}"
-	elif grep -qE '^Urgent.* available.*' "${TEMP_MACO_UPDATE}"
+	elif grep -qE '^Urgent.* available.*' "${MACO_VERSION_RESULT}"
 	then
-		sed "s/^/\&${YELLOW_PIC} /" "${TEMP_MACO_UPDATE}" >> "${PLUGIN_RESULT}"
+		sed "s/^/\&${YELLOW_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
 		echo "25${YELLOW_PIC} Maco needs urgent upgrade" >> "${PLUGIN_STATE}"
 	else
-		sed "s/^/\&${CLEAR_PIC} /" "${TEMP_MACO_UPDATE}" >> "${PLUGIN_RESULT}"
+		sed "s/^/\&${CLEAR_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
 		echo "46${CLEAR_PIC} Maco update state is unknown" >> "${PLUGIN_STATE}"
 	fi
 
@@ -281,12 +279,12 @@ main() {                                  # {{{
 	# Create or empty previous file only if too old
 	regenerate_if_too_old "${PLUGIN_RESULT}"
 	regenerate_if_too_old "${PLUGIN_STATE}"
-	regenerate_if_too_old "${TEMP_MACO_UPDATE}"
+	regenerate_if_too_old "${MACO_VERSION_RESULT}"
 
-	## If TEMP_MACO_UPDATE file is empty
-	if is_file_empty "${TEMP_MACO_UPDATE}"; then
+	## If MACO_VERSION_RESULT file is empty
+	if is_file_empty "${MACO_VERSION_RESULT}"; then
 		## (re)check Maco update
-		get_maco_update
+		check_maco_version
 	fi
 
 	## If any previous file is empty