diff --git a/helpers/helpers.v2.1.d/apt b/helpers/helpers.v2.1.d/apt
index 00a48d64d..d8425ee58 100644
--- a/helpers/helpers.v2.1.d/apt
+++ b/helpers/helpers.v2.1.d/apt
@@ -222,7 +222,7 @@ EOF
 
     mkdir --parents "/etc/apt/trusted.gpg.d"
     # Timeout option is here to enforce the timeout on dns query and tcp connect (c.f. man wget)
-    wget --timeout 900 --quiet "$key" --output-document=- | gpg --dearmor | tee /etc/apt/trusted.gpg.d/$name.gpg >/dev/null
+    wget --timeout 900 --quiet "$key" --output-document=- | gpg --dearmor > /etc/apt/trusted.gpg.d/$app.gpg
 
     # Update the list of package with the new repo NB: we use -o
     # Dir::Etc::sourcelist to only refresh this repo, because
@@ -247,7 +247,7 @@ EOF
     ynh_safe_rm "/etc/apt/sources.list.d/$app.list"
     ynh_safe_rm "/etc/apt/preferences.d/$app"
     ynh_safe_rm "/etc/apt/trusted.gpg.d/$app.gpg"
-    ynh_apt_update
+    _ynh_apt update
 }
 
 # #####################