diff --git a/pkgs/desktops/plasma-5/discover.nix b/pkgs/desktops/plasma-5/discover.nix
index cf815b80824..75e0fd6917d 100644
--- a/pkgs/desktops/plasma-5/discover.nix
+++ b/pkgs/desktops/plasma-5/discover.nix
@@ -3,7 +3,7 @@
 , extra-cmake-modules
 , gettext
 , kdoctools
-, python
+, python3
 , appstream-qt
 , discount
 , flatpak
@@ -34,7 +34,7 @@
 mkDerivation {
   name = "discover";
   meta.broken = lib.versionOlder qtbase.version "5.15.0";
-  nativeBuildInputs = [ extra-cmake-modules gettext kdoctools python ];
+  nativeBuildInputs = [ extra-cmake-modules gettext kdoctools python3 ];
   buildInputs = [
     # discount is needed for libmarkdown
     appstream-qt