diff --git a/src/ligo/parser/camligo/.gitignore b/src/ligo/parser/camligo/.gitignore
index 5ff5d89f9..5d2e66768 100644
--- a/src/ligo/parser/camligo/.gitignore
+++ b/src/ligo/parser/camligo/.gitignore
@@ -1 +1,2 @@
-ast.ml
+ast_generated.ml
+parser_generated.mly
diff --git a/src/ligo/parser/camligo/ast.ml b/src/ligo/parser/camligo/ast.ml
new file mode 100644
index 000000000..00523c894
--- /dev/null
+++ b/src/ligo/parser/camligo/ast.ml
@@ -0,0 +1 @@
+include Ast_generated
diff --git a/src/ligo/parser/camligo/dune b/src/ligo/parser/camligo/dune
index 3023c7f1c..f68d6a816 100644
--- a/src/ligo/parser/camligo/dune
+++ b/src/ligo/parser/camligo/dune
@@ -5,7 +5,7 @@
     tezos-utils
     lex
   )
-  (modules ast parser user)
+  (modules ast ast_generated parser user)
   (flags (:standard -w +1..62-4-9-44-40-42-48@39@33 -open Tezos_utils ))
   (preprocess
     (pps tezos-utils.ppx_let_generalized)
@@ -16,14 +16,15 @@
 
 (rule
   (targets parser.ml parser.mli)
-  (deps parser.mly ast.ml)
-  (action (system "menhir --explain --external-tokens Lex.Token lex/token.mly parser.mly --base parser"))
+  (deps parser_generated.mly ast.ml)
+  (action (system "menhir --explain --external-tokens Lex.Token lex/token.mly parser_generated.mly --base parser"))
 )
 
 (rule
- (targets parser.mly)
+ (targets parser_generated.mly)
  (deps partial_parser.mly pre_parser.mly)
- (action (system "cat pre_parser.mly partial_parser.mly > parser.mly"))
+ (action (system "cat pre_parser.mly partial_parser.mly > parser_generated.mly"))
+ (mode promote-until-clean)
 )
 
 (rule
@@ -35,9 +36,9 @@
 ;; Generating AST
 
 (rule
- (targets ast.ml)
+ (targets ast_generated.ml)
  (deps generator.exe)
- (action (system "./generator.exe ast > ast.ml"))
+ (action (system "./generator.exe ast > ast_generated.ml"))
  (mode promote-until-clean)
 )