diff --git a/scripts/upgrade b/scripts/upgrade
index 51213c1b..d86f3486 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -196,7 +196,9 @@ ynh_script_progression --message="Patching permissions (for version 0.11.5 and n
 # Default configuration doesn't work
 ynh_replace_string --match_string="'private' => 0700," --replace_string="'private' => 0750," --target_file=$final_path/config/filesystems.php
 # Repair permissions for files created after v0.11.5 and before this patch
-chmod 750 -R "$final_path/public/storage/m/_v2/"
+if [ -d "$final_path/public/storage/m/_v2/" ]; then
+  chmod 750 -R "$final_path/public/storage/m/_v2/"
+fi
 
 #=================================================
 # DEPLOYMENT