diff --git a/src/GF/Source/ParGF.hs b/src/GF/Source/ParGF.hs
index 823a48838..71b4bbfec 100644
--- a/src/GF/Source/ParGF.hs
+++ b/src/GF/Source/ParGF.hs
@@ -1,6 +1,6 @@
 {-# OPTIONS -fglasgow-exts -cpp #-}
 {-# OPTIONS -fno-warn-incomplete-patterns -fno-warn-overlapping-patterns #-}
-module GF.Source.ParGF where --H
+ module GF.Source.ParGF (pGrammar, pModDef, pOldGrammar, pExp, myLexer) where --H
 import GF.Source.AbsGF       --H
 import GF.Source.LexGF       --H
 import GF.Infra.Ident        --H
diff --git a/src/GF/Source/ParGF.y b/src/GF/Source/ParGF.y
index c15c57c08..309ef2af3 100644
--- a/src/GF/Source/ParGF.y
+++ b/src/GF/Source/ParGF.y
@@ -1,7 +1,7 @@
 -- This Happy file was machine-generated by the BNF converter
 {
 {-# OPTIONS -fno-warn-incomplete-patterns -fno-warn-overlapping-patterns #-}
-module GF.Source.ParGF where --H
+ module GF.Source.ParGF (pGrammar, pModDef, pOldGrammar, pExp, myLexer) where --H
 import GF.Source.AbsGF       --H
 import GF.Source.LexGF       --H
 import GF.Infra.Ident        --H