diff --git a/pkgs/applications/audio/easyabc/default.nix b/pkgs/applications/audio/easyabc/default.nix
index 9f45d0452413..94d8e83080b4 100644
--- a/pkgs/applications/audio/easyabc/default.nix
+++ b/pkgs/applications/audio/easyabc/default.nix
@@ -15,7 +15,7 @@ python39.pkgs.buildPythonApplication {
   nativeBuildInputs = [ wrapGAppsHook ];
 
   propagatedBuildInputs = with python39.pkgs; [
-    cx_Freeze
+    cx-freeze
     wxPython_4_2
     pygame
   ];
diff --git a/pkgs/development/python-modules/cx_freeze/default.nix b/pkgs/development/python-modules/cx-freeze/default.nix
similarity index 100%
rename from pkgs/development/python-modules/cx_freeze/default.nix
rename to pkgs/development/python-modules/cx-freeze/default.nix
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index a6ef2838bcb6..2333a255cfad 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -77,6 +77,7 @@ mapAliases ({
   coronavirus = throw "coronavirus was removed, because the source is not providing the data anymore."; # added 2023-05-04
   cozy = throw "cozy was removed because it was not actually https://pypi.org/project/Cozy/."; # added 2022-01-14
   cryptography_vectors = "cryptography_vectors is no longer exposed in python*Packages because it is used for testing cryptography only."; # Added 2022-03-23
+  cx_Freeze = cx-freeze; # added 2023-08-02
   dask-xgboost = throw "dask-xgboost was removed because its features are available in xgboost"; # added 2022-05-24
   dateutil = python-dateutil; # added 2021-07-03
   demjson = throw "demjson has been removed, it was using setuptools 2to3 translation feature, which has been removed in setuptools 58"; # added 2022-01-18
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5c498ff9519a..355ae020f1ef 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2326,7 +2326,7 @@ self: super: with self; {
 
   cwlformat = callPackage ../development/python-modules/cwlformat { };
 
-  cx_Freeze = callPackage ../development/python-modules/cx_freeze { };
+  cx-freeze = callPackage ../development/python-modules/cx-freeze { };
 
   cx_oracle = callPackage ../development/python-modules/cx_oracle { };