diff --git a/scripts/backup b/scripts/backup
index fa1df5e..9d9d10c 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,5 +1,4 @@
 #!/bin/bash
-set -eu  # exit on error ; treat unset variables as error
 
 #=================================================
 # IMPORT GENERIC HELPERS
@@ -7,6 +6,13 @@ set -eu  # exit on error ; treat unset variables as error
 
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # LOAD SETTINGS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 2cae0b0..d69217f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,5 +1,4 @@
 #!/bin/bash
-set -eu  # exit on error ; treat unset variables as error
 
 # Retrieve arguments
 domain=$YNH_APP_ARG_DOMAIN
@@ -10,6 +9,9 @@ path=""
 # Source app helpers
 source /usr/share/yunohost/helpers
 
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 # Set up common variables
 root_path="$(pwd)/.."
 final_path=/var/www/mattermost
diff --git a/scripts/restore b/scripts/restore
index 05e6f78..870d6f7 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,5 +1,4 @@
 #!/bin/bash
-set -eu  # exit on error ; treat unset variables as error
 
 #=================================================
 # IMPORT GENERIC HELPERS
@@ -7,6 +6,13 @@ set -eu  # exit on error ; treat unset variables as error
 
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # LOAD SETTINGS
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index a7e0f2e..1887036 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,9 +1,11 @@
 #!/bin/bash
-set -eu  # exit on error ; treat unset variables as error
 
 # Source app helpers
 source /usr/share/yunohost/helpers
 
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 # Retrieve arguments
 domain=$(ynh_app_setting_get mattermost domain)
 is_public=$(ynh_app_setting_get mattermost is_public)