diff --git a/pkgs/development/python-modules/connect_box/default.nix b/pkgs/development/python-modules/connect-box/default.nix
similarity index 100%
rename from pkgs/development/python-modules/connect_box/default.nix
rename to pkgs/development/python-modules/connect-box/default.nix
diff --git a/pkgs/development/python-modules/moderngl_window/default.nix b/pkgs/development/python-modules/moderngl-window/default.nix
similarity index 100%
rename from pkgs/development/python-modules/moderngl_window/default.nix
rename to pkgs/development/python-modules/moderngl-window/default.nix
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e638cd4be072..5357d5d92d52 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1937,7 +1937,7 @@ self: super: with self; {
 
   command_runner = callPackage ../development/python-modules/command_runner { };
 
-  connect-box = callPackage ../development/python-modules/connect_box { };
+  connect-box = callPackage ../development/python-modules/connect-box { };
 
   connection-pool = callPackage ../development/python-modules/connection-pool { };
 
@@ -7352,7 +7352,7 @@ self: super: with self; {
 
   moderngl = callPackage ../development/python-modules/moderngl { };
 
-  moderngl-window = callPackage ../development/python-modules/moderngl_window { };
+  moderngl-window = callPackage ../development/python-modules/moderngl-window { };
 
   modestmaps = callPackage ../development/python-modules/modestmaps { };