diff --git a/src/ligo/ast_simplified/dune b/src/ligo/ast_simplified/dune
index f0ffcc2f3..c9e2fcfed 100644
--- a/src/ligo/ast_simplified/dune
+++ b/src/ligo/ast_simplified/dune
@@ -5,6 +5,6 @@
     tezos-utils
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )
diff --git a/src/ligo/ast_typed/dune b/src/ligo/ast_typed/dune
index 0bda9cc00..237e4114f 100644
--- a/src/ligo/ast_typed/dune
+++ b/src/ligo/ast_typed/dune
@@ -6,6 +6,6 @@
     ast_simplified ; Is that a good idea?
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )
diff --git a/src/ligo/bin/dune b/src/ligo/bin/dune
index cde43dc40..0b50fee28 100644
--- a/src/ligo/bin/dune
+++ b/src/ligo/bin/dune
@@ -7,6 +7,6 @@
   )
   (package ligo)
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )
diff --git a/src/ligo/compiler/dune b/src/ligo/compiler/dune
index 29e2a801e..e5cb4a5a9 100644
--- a/src/ligo/compiler/dune
+++ b/src/ligo/compiler/dune
@@ -8,7 +8,7 @@
     operators
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48-30@39@33 -open Tezos_utils ))
 )
diff --git a/src/ligo/mini_c/dune b/src/ligo/mini_c/dune
index 7321242e5..f03d8346c 100644
--- a/src/ligo/mini_c/dune
+++ b/src/ligo/mini_c/dune
@@ -6,7 +6,7 @@
     meta_michelson
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48-30@39@33 -open Tezos_utils ))
 )
diff --git a/src/ligo/multifix/dune b/src/ligo/multifix/dune
index 22b8c87a1..49bb286c4 100644
--- a/src/ligo/multifix/dune
+++ b/src/ligo/multifix/dune
@@ -8,7 +8,7 @@
   (modules ast parser user)
   (flags (:standard -w +1..62-4-9-44-40-42-48@39@33 -open Tezos_utils ))
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )
 
diff --git a/src/ligo/operators/dune b/src/ligo/operators/dune
index 7012dad18..102c47e45 100644
--- a/src/ligo/operators/dune
+++ b/src/ligo/operators/dune
@@ -7,6 +7,6 @@
     mini_c
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )
diff --git a/src/ligo/run/dune b/src/ligo/run/dune
index e83df6416..7ed345989 100644
--- a/src/ligo/run/dune
+++ b/src/ligo/run/dune
@@ -8,7 +8,7 @@
     compiler
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48-30@39@33 -open Tezos_utils ))
 )
diff --git a/src/ligo/test/dune b/src/ligo/test/dune
index 3357d9e52..b24fdf8f3 100644
--- a/src/ligo/test/dune
+++ b/src/ligo/test/dune
@@ -6,7 +6,7 @@
     alcotest
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48@39@33 -open Tezos_utils ))
 )