diff --git a/CHANGES.md b/CHANGES.md
index 2d3f851868d0..5d4f6dd8678b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,7 +8,7 @@
 - Do not put the `<package>.install` files in the source tree unless `-p` or
   `--promote-install-files` is passed on the command line (#2329, @diml)
 
-- Add a new `inline-tests` field in the env stanza to control inline-tests
+- Add a new `inline_tests` field in the env stanza to control inline_tests
   framework with a variable (#2313, @mlasson review and original idea by @diml)
 
 - Change `implicit_transive_deps` to be false. Implicit transitive deps now must
diff --git a/doc/dune-files.rst b/doc/dune-files.rst
index 5fa85aafee46..0057b33d1f37 100644
--- a/doc/dune-files.rst
+++ b/doc/dune-files.rst
@@ -814,8 +814,8 @@ Fields supported in ``<settings>`` are:
   be inferred from the basename of ``<filepath>`` by dropping the ``.exe``
   suffix if it exists.
 
-- ``(inline-tests <state>)`` where state is either ``enabled``, ``disabled`` or
-  ``ignored``. This field controls the value of the variable ``%{inline-tests}``
+- ``(inline_tests <state>)`` where state is either ``enabled``, ``disabled`` or
+  ``ignored``. This field controls the value of the variable ``%{inline_tests}``
   that is read by the inline test framework. The default value is ``disabled``
   for the ``release`` profile and ``enabled`` otherwise.
 
diff --git a/src/dune_env.ml b/src/dune_env.ml
index 1758f71f4ca9..6dcc8df4e210 100644
--- a/src/dune_env.ml
+++ b/src/dune_env.ml
@@ -52,7 +52,7 @@ module Stanza = struct
 
   let inline_tests_field =
     field_o
-    "inline-tests"
+    "inline_tests"
       (Syntax.since Stanza.syntax (1, 11) >>>
       Inline_tests.decode)
 
diff --git a/src/super_context.ml b/src/super_context.ml
index 3b3767164422..02a3da423366 100644
--- a/src/super_context.ml
+++ b/src/super_context.ml
@@ -186,7 +186,7 @@ end = struct
         inline_tests t ~dir
         |> Dune_env.Stanza.Inline_tests.to_string
       in
-      Pform.Map.singleton "inline-tests" (Values [String str])
+      Pform.Map.singleton "inline_tests" (Values [String str])
     in
     expander
     |> Expander.add_bindings ~bindings
diff --git a/test/blackbox-tests/test-cases/inline_tests/simple/dune b/test/blackbox-tests/test-cases/inline_tests/simple/dune
index 0a1b293f529c..bd1aa94dee00 100644
--- a/test/blackbox-tests/test-cases/inline_tests/simple/dune
+++ b/test/blackbox-tests/test-cases/inline_tests/simple/dune
@@ -2,7 +2,7 @@
  (name backend_simple)
  (modules ())
  (inline_tests.backend
-  (generate_runner (run sed "s/(\\*TEST:\\(.*\\)\\*)/let () = if \"%{inline-tests}\" = \"enabled\" then \\1;;/" %{impl-files})
+  (generate_runner (run sed "s/(\\*TEST:\\(.*\\)\\*)/let () = if \"%{inline_tests}\" = \"enabled\" then \\1;;/" %{impl-files})
   )))
 
 (library