diff --git a/nix/hsie/default.nix b/nix/hsie/default.nix
index f0809c99a..1f6c2297d 100644
--- a/nix/hsie/default.nix
+++ b/nix/hsie/default.nix
@@ -28,8 +28,8 @@ let
         mkdir -p $out/bin
         ln -s $hsie $out/bin/$name
       '';
-  bashCompletion =
+  bash-completion =
     runCommand "${name}-bash-completion" { inherit bin name; }
       "$bin/bin/$name --bash-completion-script $bin/bin/$name > $out";
 in
-hsie // { inherit bashCompletion bin; }
+hsie // { inherit bash-completion bin; }
diff --git a/nix/overlays/build-toolbox/build-toolbox.nix b/nix/overlays/build-toolbox/build-toolbox.nix
index a170f9a24..e6b33e12f 100644
--- a/nix/overlays/build-toolbox/build-toolbox.nix
+++ b/nix/overlays/build-toolbox/build-toolbox.nix
@@ -1,11 +1,11 @@
-# Creates an environment that exposes bashCompletion arguments from all checkedShellScripts
+# Creates an environment that exposes bash-completion arguments from all checkedShellScripts
 { buildEnv }:
 { name
 , tools
 , extra ? { }
 }:
 let
-  bashCompletion = builtins.map (tool: tool.bashCompletion) tools;
+  bash-completion = builtins.map (tool: tool.bash-completion) tools;
 
   env = buildEnv {
     inherit name;
@@ -13,4 +13,4 @@ let
   };
 
 in
-env // { inherit bashCompletion; } // extra
+env // { inherit bash-completion; } // extra
diff --git a/nix/overlays/checked-shell-script/checked-shell-script.nix b/nix/overlays/checked-shell-script/checked-shell-script.nix
index 7de75f524..e3c382e6d 100644
--- a/nix/overlays/checked-shell-script/checked-shell-script.nix
+++ b/nix/overlays/checked-shell-script/checked-shell-script.nix
@@ -58,7 +58,7 @@ let
         sed '/_positionals_count + 1/a\\t\t\t\tset -- "''${@:1:1}" "--" "''${@:2}"' -i $out
       '';
 
-  bashCompletion =
+  bash-completion =
     runCommand "${name}-completion" { } (
       ''
         ${argbash}/bin/argbash --type completion --strip all ${argsTemplate}/${name}.m4 > $out
@@ -138,4 +138,4 @@ let
   script =
     runCommand name { inherit bin name; } "ln -s $bin/bin/$name $out";
 in
-script // { inherit bin bashCompletion; }
+script // { inherit bin bash-completion; }
diff --git a/nix/tools/withTools.nix b/nix/tools/withTools.nix
index 33c38681d..e070d112c 100644
--- a/nix/tools/withTools.nix
+++ b/nix/tools/withTools.nix
@@ -1,4 +1,4 @@
-{ bashCompletion
+{ bash-completion
 , buildToolbox
 , cabal-install
 , checkedShellScript
diff --git a/shell.nix b/shell.nix
index 1eb663765..a07398250 100644
--- a/shell.nix
+++ b/shell.nix
@@ -48,14 +48,14 @@ lib.overrideDerivation postgrest.env (
       ''
         export HISTFILE=.history
 
-        source ${pkgs.bashCompletion}/etc/profile.d/bash_completion.sh
+        source ${pkgs.bash-completion}/etc/profile.d/bash_completion.sh
         source ${pkgs.git}/share/git/contrib/completion/git-completion.bash
-        source ${postgrest.hsie.bashCompletion}
+        source ${postgrest.hsie.bash-completion}
 
       ''
       + builtins.concatStringsSep "\n" (
-        builtins.map (bashCompletion: "source ${bashCompletion}") (
-          builtins.concatLists (builtins.map (toolbox: toolbox.bashCompletion) toolboxes)
+        builtins.map (bash-completion: "source ${bash-completion}") (
+          builtins.concatLists (builtins.map (toolbox: toolbox.bash-completion) toolboxes)
         )
       );
   }