diff --git a/pkgs/applications/version-management/mercurial/default.nix b/pkgs/applications/version-management/mercurial/default.nix
index 80c2679d05cf..e413ca0efe08 100644
--- a/pkgs/applications/version-management/mercurial/default.nix
+++ b/pkgs/applications/version-management/mercurial/default.nix
@@ -20,7 +20,7 @@ let
   inherit (python3Packages) docutils python fb-re2 pygit2 pygments;
 
   self = python3Packages.buildPythonApplication rec {
-    pname = "mercurial";
+    pname = "mercurial${lib.optionalString fullBuild "-full"}";
     version = "6.0.3";
 
     src = fetchurl {
@@ -34,9 +34,9 @@ let
 
     cargoDeps = if rustSupport then rustPlatform.fetchCargoTarball {
       inherit src;
-      name = "${pname}-${version}";
+      name = "mercurial-${version}";
       sha256 = "sha256-i4WROxezeqLX4hTdcPrqsf6dBqsNZz6fFAPzItYuklE=";
-      sourceRoot = "${pname}-${version}/rust";
+      sourceRoot = "mercurial-${version}/rust";
     } else null;
     cargoRoot = if rustSupport then "rust" else null;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b85db5723c0a..4d42e17033d8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -27309,7 +27309,7 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) ApplicationServices;
   };
 
-  mercurialFull = appendToName "full" (mercurial.override { fullBuild = true; });
+  mercurialFull = mercurial.override { fullBuild = true; };
 
   merkaartor = libsForQt5.callPackage ../applications/misc/merkaartor { };