diff --git a/scripts/backup b/scripts/backup
index f2bc33d..a87d461 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -3,12 +3,12 @@
 # causes the shell to exit if any subcommand or pipeline returns a non-zero status
 set -e
 
-app=ynhexample
+# The last argument is the app instance name
+app=${!#}
 
-# The parameter $1 is the backup directory location
-# which will be compressed afterward
-backup_dir=$1/apps/$app
-sudo mkdir -p $backup_dir
+# The first argument is the backup directory location for the app
+# from where the script is executed and which will be compressed afterward
+backup_dir=$1
 
 # Backup sources & data
 sudo cp -a /var/www/$app/. $backup_dir/sources
diff --git a/scripts/install b/scripts/install
index d7f2ae6..3af9c08 100755
--- a/scripts/install
+++ b/scripts/install
@@ -3,7 +3,8 @@
 # causes the shell to exit if any subcommand or pipeline returns a non-zero status
 set -e
 
-app=ynhexample
+# The last argument is the app instance name
+app=${!#}
 
 # Retrieve arguments
 domain=$1
diff --git a/scripts/remove b/scripts/remove
index 6bf0b02..54028f3 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,5 +1,7 @@
 #!/bin/bash
-app=ynhexample
+
+# The last argument is the app instance name
+app=${!#}
 
 # Retrieve arguments
 domain=$(sudo yunohost app setting $app domain)
diff --git a/scripts/restore b/scripts/restore
index 1c20f2e..cde2e6b 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -3,10 +3,12 @@
 # causes the shell to exit if any subcommand or pipeline returns a non-zero status
 set -e
 
-app=ynhexample
+# The last argument is the app instance name
+app=${!#}
 
-# The parameter $1 is the uncompressed restore directory location
-backup_dir=$1/apps/$app
+# The first argument is the backup directory location of the app
+# from where the script is executed
+backup_dir=$1
 
 # Restore sources & data
 sudo cp -a $backup_dir/sources/. /var/www/$app
diff --git a/scripts/upgrade b/scripts/upgrade
index 1d7a349..e285496 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -3,7 +3,8 @@
 # causes the shell to exit if any subcommand or pipeline returns a non-zero status
 set -e
 
-app=ynhexample
+# The last argument is the app instance name
+app=${!#}
 
 # Retrieve arguments
 domain=$(sudo yunohost app setting $app domain)