diff --git a/src/turkish/GrammarTur.gf b/src/turkish/GrammarTur.gf
index 882d3c81f..813359c07 100644
--- a/src/turkish/GrammarTur.gf
+++ b/src/turkish/GrammarTur.gf
@@ -6,7 +6,8 @@ concrete GrammarTur of Grammar =
   AdjectiveTur,
   NumeralTur,
   StructuralTur,
-  SentenceTur
+  SentenceTur,
+  AdverbTur
   ** {
 
 flags startcat = Phr ; unlexer = text ; lexer = text ;
diff --git a/src/turkish/LangTur.gf b/src/turkish/LangTur.gf
index 3458a054a..984c315cc 100644
--- a/src/turkish/LangTur.gf
+++ b/src/turkish/LangTur.gf
@@ -2,8 +2,7 @@
 
 concrete LangTur of Lang =
   GrammarTur,
-  LexiconTur,
-  AdverbTur
+  LexiconTur
   ** {
 
 flags startcat = Phr ; unlexer = text ; lexer = text ; coding=utf8 ;