diff --git a/pkgs/development/python-modules/backports_shutil_get_terminal_size/default.nix b/pkgs/development/python-modules/backports-shutil-get-terminal-size/default.nix
similarity index 95%
rename from pkgs/development/python-modules/backports_shutil_get_terminal_size/default.nix
rename to pkgs/development/python-modules/backports-shutil-get-terminal-size/default.nix
index aec6077dd766..237cde584ebd 100644
--- a/pkgs/development/python-modules/backports_shutil_get_terminal_size/default.nix
+++ b/pkgs/development/python-modules/backports-shutil-get-terminal-size/default.nix
@@ -6,7 +6,7 @@
 }:
 
 if !(pythonOlder "3.3") then null else buildPythonPackage {
-  pname = "backports.shutil_get_terminal_size";
+  pname = "backports-shutil-get-terminal-size";
   version = "unstable-2016-02-21";
 
   # there have been numerous fixes committed since the initial release.
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 1667222413a5..4f0c0d4219cf 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -57,6 +57,7 @@ mapAliases ({
   Babel = babel; # added 2022-05-06
   backports_csv = throw "backports_csv has been removed, since we no longer need to backport to python2"; # added 2023-07-28
   backports_functools_lru_cache = throw "backports_functools_lru_cache has been removed, since we no longer need to backport to python3.2"; # added 2023-07-28
+  backports_shutil_get_terminal_size = backports-shutil-get-terminal-size; # added 2024-04-21
   backports_tempfile = throw "backports_tempfile has been removed, since we no longer need to backport to python3.3"; # added 2023-07-28
   backports_unittest-mock = throw "backports_unittest-mock has been removed, since we no longer need to backport to python3.2"; # added 2023-07-28
   backports_weakref = throw "backports_weakref has been removed, since we no longer need to backport to python3.3"; # added 2023-07-28
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5d385b73dd5b..947e18d2d784 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1352,7 +1352,7 @@ self: super: with self; {
 
   backports-entry-points-selectable = callPackage ../development/python-modules/backports-entry-points-selectable { };
 
-  backports_shutil_get_terminal_size = callPackage ../development/python-modules/backports_shutil_get_terminal_size { };
+  backports-shutil-get-terminal-size = callPackage ../development/python-modules/backports-shutil-get-terminal-size { };
 
   backports-shutil-which = callPackage ../development/python-modules/backports-shutil-which { };