diff --git a/scripts/install b/scripts/install
index 07ca4c6..220cce1 100755
--- a/scripts/install
+++ b/scripts/install
@@ -88,7 +88,9 @@ ynh_setup_source --dest_dir="$final_path"
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
-chmod 755 "$final_path/{tmp, upload, application/config"
+chmod 755 "$final_path/tmp"
+chmod 755 "$final_path/upload"
+chmod 755 "$final_path/application/config/"
 
 #=================================================
 # NGINX CONFIGURATION
diff --git a/scripts/restore b/scripts/restore
index 1ff3cc4..2304d9f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -73,7 +73,9 @@ ynh_restore_file --origin_path="$final_path"
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
-chmod 755 "$final_path/{tmp, upload, application/config"
+chmod 755 "$final_path/tmp"
+chmod 755 "$final_path/upload"
+chmod 755 "$final_path/application/config/"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 35a03c0..1c6bb08 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -105,7 +105,9 @@ fi
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
-chmod 755 "$final_path/{tmp, upload, application/config"
+chmod 755 "$final_path/tmp"
+chmod 755 "$final_path/upload"
+chmod 755 "$final_path/application/config/"
 
 #=================================================
 # NGINX CONFIGURATION