diff --git a/nextcloud_update.sh b/nextcloud_update.sh
index 5277211d..93a2996f 100644
--- a/nextcloud_update.sh
+++ b/nextcloud_update.sh
@@ -31,7 +31,7 @@ is_process_running dpkg
 # Check if /boot is filled more than 90% and exit the script if that's the case since we don't want to end up with a broken system
 if [ -d /boot ]
 then
-    if [[ "$(df -h | grep /boot | awk '{print $5}' | cut -d "%" -f1)" -gt 90 ]]
+    if [[ "$(df -h | grep -m 1 /boot | awk '{print $5}' | cut -d "%" -f1)" -gt 90 ]]
     then
 msg_box "It seems like your boot drive is filled more than 90%. You can't proceed to upgrade since it probably will break your system