diff --git a/install_yunohostv2 b/install_yunohostv2
index 057592a..4e5752b 100755
--- a/install_yunohostv2
+++ b/install_yunohostv2
@@ -132,7 +132,8 @@ set_domain() {
     # Configure hostname to yunohost.yunohost.org if not already set
     # NOTE: This is done also during postinstall "to avoid amavis bug"
     #       so we might not need it here
-    [[ "$(hostname -d 2>/dev/null)" != "" ]] || hostname yunohost.yunohost.org > /dev/null 2>&1
+    [[ "$(hostname -d 2>/dev/null)" != "" ]] || hostname yunohost.yunohost.org \
+    || echo 'Hostname change is not permitted' > /dev/null 2>&1
 }
 
 confirm_installation() {