diff --git a/scripts/install b/scripts/install
index 5a0c1c9..635e470 100755
--- a/scripts/install
+++ b/scripts/install
@@ -40,7 +40,7 @@ test ! -e "$final_path" || ynh_die --message="This path already contains a folde
 # Register (book) web path
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 
-if [[ "$architecture" -ne "amd64" ]]
+if [[ "$architecture" != "amd64" ]]
 then
   ynh_die --message="Your processor architecture is not supported"
 fi