diff --git a/modules/yaourt/manifests/keys.pp b/modules/yaourt/manifests/keys.pp
index 857d022..e1eecc4 100644
--- a/modules/yaourt/manifests/keys.pp
+++ b/modules/yaourt/manifests/keys.pp
@@ -18,5 +18,7 @@ class yaourt::keys () {
     exec { "pacman-key -r $key":
       unless => "pacman-key --list-keys $key"
     }
+    exec { "pacman-key --lsign-key $key":
+    }
   }
 }