diff --git a/dictsource/de_rules b/dictsource/de_rules
index 08605dd5..b31204d1 100644
--- a/dictsource/de_rules
+++ b/dictsource/de_rules
@@ -369,6 +369,7 @@
 
         eb (t_     e:p
         eg (t_     e:k
+        eth	e:t
 
         een (_     'e:@n
         ell (_     'El