diff --git a/lib/tests.sh b/lib/tests.sh
index 75ffacc..1e22bf5 100644
--- a/lib/tests.sh
+++ b/lib/tests.sh
@@ -319,7 +319,7 @@ _VALIDATE_THAT_APP_CAN_BE_ACCESSED () {
 
             # Check if the page title is neither the YunoHost portail or default NGINX page
             # And check if the "Real URL" is the ynh sso
-            if [ "$page_title" = "YunoHost Portal" ] || cat $TEST_CONTEXT/curl_print | cut --delimiter=';' --fields=2 | grep -q "/yunohost/sso"
+            if [ "$page_title" = "YunoHost Portal" ] || (cat $TEST_CONTEXT/curl_print | cut --delimiter=';' --fields=2 | grep -q "/yunohost/sso")
             then
                 log_debug "The connection attempt fall on the YunoHost portal."
                 fell_on_sso_portal=1