diff --git a/src/turkish/VerbTur.gf b/src/turkish/VerbTur.gf
index a0e81c5fa..a9d0ec2ec 100644
--- a/src/turkish/VerbTur.gf
+++ b/src/turkish/VerbTur.gf
@@ -1,4 +1,4 @@
-concrete VerbTur of Verb = {
+concrete VerbTur of Verb = CatTur ** open ResTur in {
 
   lin
     UseV v = v ;