diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 385ccb6c9..11f92afd1 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -725,7 +725,7 @@ def app_install(operation_logger, auth, app, label=None, args=None, no_remove_on
         answer = msignals.prompt(m18n.n('confirm_app_install_' + confirm,
                                    answers='Y/N'))
         if answer.upper() != "Y":
-            raise MoulinetteError(errno.EINVAL, m18n.n("aborting"))
+            raise YunohostError("aborting")
 
 
     raw_app_list = app_list(raw=True)