diff --git a/pkgs/by-name/gn/gnucash/package.nix b/pkgs/by-name/gn/gnucash/package.nix
index 729e78ccb5a7..ab5632cf143b 100644
--- a/pkgs/by-name/gn/gnucash/package.nix
+++ b/pkgs/by-name/gn/gnucash/package.nix
@@ -25,12 +25,9 @@
   swig,
   webkitgtk_4_0,
   wrapGAppsHook3,
-  python ? null,
-  enablePython ? false,
+  python3,
 }:
 
-assert enablePython -> (python != null);
-
 stdenv.mkDerivation rec {
   pname = "gnucash";
   version = "5.11";
@@ -49,7 +46,7 @@ stdenv.mkDerivation rec {
     pkg-config
   ];
 
-  cmakeFlags = lib.optional enablePython [
+  cmakeFlags = [
     "-DWITH_PYTHON=\"ON\""
     "-DPYTHON_SYSCONFIG_BUILD=\"$out\""
   ];
@@ -72,13 +69,13 @@ stdenv.mkDerivation rec {
       libxslt
       swig
       webkitgtk_4_0
+      python3
     ]
     ++ (with perlPackages; [
       JSONParse
       FinanceQuote
       perl
-    ])
-    ++ lib.optional enablePython python;
+    ]);
 
   patches = [
     # this patch disables test-gnc-timezone and test-gnc-datetime which fail due to nix datetime challenges
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index aec660de7c84..3772c02a52e4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5605,10 +5605,11 @@ self: super: with self; {
 
   gntp = callPackage ../development/python-modules/gntp { };
 
-  gnucash = toPythonModule (pkgs.gnucash.override {
-    inherit (self) python;
-    enablePython = true;
-  });
+  gnucash = toPythonModule (
+    pkgs.gnucash.override {
+      python3 = python;
+    }
+  );
 
   gnureadline = callPackage ../development/python-modules/gnureadline { };