diff --git a/evocheck.sh b/evocheck.sh
index 5be093d..af4d1ab 100755
--- a/evocheck.sh
+++ b/evocheck.sh
@@ -313,7 +313,7 @@ if [ -e /etc/debian_version ]; then
     
     # Verification si le système doit redémarrer suite màj kernel.
     if [ "$IS_KERNELUPTODATE" = 1 ]; then
-        if (( $(date -d $(ls --full-time -lcrt /boot | tail -n1 | tr -s " " | cut -d " " -f 6) +%s) > $(date -d $(LANG=en_US.UTF8 LANGUAGE=C who -b | tr -s " " | cut -d " " -f 4) +%s) )); then
+        if [ $(date -d $(ls --full-time -lcrt /boot | tail -n1 | tr -s " " | cut -d " " -f 6) +%s) -gt $(date -d $(LANG=en_US.UTF8 LANGUAGE=C who -b | tr -s " " | cut -d " " -f 4) +%s) ]; then
             echo 'IS_KERNELUPTODATE FAILED!'
         fi
     fi
@@ -454,4 +454,4 @@ if [ "$IS_EVOMAINTENANCECONF" = 1 ]; then
     && grep "^URGENCYFROM" $f |grep -qv "mama.doe@example.com" \
     && grep "^URGENCYTEL" $f |grep -qv "06.00.00.00.00" \
     && grep "^REALM" $f |grep -qv "example.com" ) || echo 'IS_EVOMAINTENANCECONF FAILED!'
-fi
\ No newline at end of file
+fi