diff --git a/src/ligo/parser/camligo/user.ml b/src/ligo/parser/camligo/user.ml
index 964b4635a..3c00ae6dd 100644
--- a/src/ligo/parser/camligo/user.ml
+++ b/src/ligo/parser/camligo/user.ml
@@ -6,7 +6,7 @@ let parse_file (source: string) : Ast.entry_point result =
    *   and suffix = ".pp.ligo"
    *   in prefix ^ suffix in
    *
-   * let cpp_cmd = Printf.sprintf "cpp -traditional-cpp %s -o %s"
+   * let cpp_cmd = Printf.sprintf "cpp -traditional-cpp %s > %s"
    *                               source pp_input in
    * let%bind () = sys_command cpp_cmd in
    *
diff --git a/src/ligo/parser/parser.ml b/src/ligo/parser/parser.ml
index dda8e599c..f3057c843 100644
--- a/src/ligo/parser/parser.ml
+++ b/src/ligo/parser/parser.ml
@@ -13,7 +13,7 @@ let parse_file (source: string) : AST_Raw.t result =
     and suffix = ".pp.ligo"
     in prefix ^ suffix in
 
-  let cpp_cmd = Printf.sprintf "cpp -traditional-cpp %s -o %s"
+  let cpp_cmd = Printf.sprintf "cpp -traditional-cpp %s > %s"
                                source pp_input in
   let%bind () = sys_command cpp_cmd in
 
diff --git a/src/ligo/parser/pascaligo/LexerMain.ml b/src/ligo/parser/pascaligo/LexerMain.ml
index 621008d98..7657db900 100644
--- a/src/ligo/parser/pascaligo/LexerMain.ml
+++ b/src/ligo/parser/pascaligo/LexerMain.ml
@@ -35,10 +35,10 @@ let pp_input =
 let cpp_cmd =
   match EvalOpt.input with
     None | Some "-" ->
-      Printf.sprintf "cpp -traditional-cpp%s - -o %s"
+      Printf.sprintf "cpp -traditional-cpp%s - > %s"
                      lib_path pp_input
   | Some file ->
-      Printf.sprintf "cpp -traditional-cpp%s %s -o %s"
+      Printf.sprintf "cpp -traditional-cpp%s %s > %s"
                      lib_path file pp_input
 
 let () =
diff --git a/src/ligo/parser/pascaligo/ParserMain.ml b/src/ligo/parser/pascaligo/ParserMain.ml
index 6259c0a86..20f9a3912 100644
--- a/src/ligo/parser/pascaligo/ParserMain.ml
+++ b/src/ligo/parser/pascaligo/ParserMain.ml
@@ -53,10 +53,10 @@ let pp_input =
 let cpp_cmd =
   match EvalOpt.input with
     None | Some "-" ->
-      Printf.sprintf "cpp -traditional-cpp%s - -o %s"
+      Printf.sprintf "cpp -traditional-cpp%s - > %s"
                      lib_path pp_input
   | Some file ->
-      Printf.sprintf "cpp -traditional-cpp%s %s -o %s"
+      Printf.sprintf "cpp -traditional-cpp%s %s > %s"
                      lib_path file pp_input
 
 let () =