diff --git a/pkgs/tools/backup/duplicity/default.nix b/pkgs/tools/backup/duplicity/default.nix
index 24e1a2954ed6..a6f509d2504a 100644
--- a/pkgs/tools/backup/duplicity/default.nix
+++ b/pkgs/tools/backup/duplicity/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pythonPackages
+, python38
 , librsync
 , ncftp
 , gnupg
@@ -12,6 +12,7 @@
 , gettext
 }:
 let
+  pythonPackages = python38.pkgs;
   inherit (lib.versions) majorMinor splitVersion;
   majorMinorPatch = v: builtins.concatStringsSep "." (lib.take 3 (splitVersion v));
 in
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4e38f33cc5a5..8f5250cd46fc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4274,9 +4274,7 @@ in
 
   duplicati = callPackage ../tools/backup/duplicati { };
 
-  duplicity = callPackage ../tools/backup/duplicity {
-    pythonPackages = python3Packages;
-  };
+  duplicity = callPackage ../tools/backup/duplicity { };
 
   duply = callPackage ../tools/backup/duply { };