diff --git a/src/turkish/AllTur.gf b/src/turkish/AllTur.gf
index 967b180d..343381bf 100644
--- a/src/turkish/AllTur.gf
+++ b/src/turkish/AllTur.gf
@@ -1,5 +1,6 @@
 --# -path=.:../abstract:../common:../prelude
 
 concrete AllTur of AllTurAbs = 
-  LangTur
+  LangTur,
+  ExtendTur
   ** {} ;