diff --git a/pkgs/applications/science/electronics/pulseview/default.nix b/pkgs/applications/science/electronics/pulseview/default.nix
index c91443bf64a52..a6dab02615f0b 100644
--- a/pkgs/applications/science/electronics/pulseview/default.nix
+++ b/pkgs/applications/science/electronics/pulseview/default.nix
@@ -1,9 +1,9 @@
 { stdenv, fetchurl, pkgconfig, cmake, glib, boost, libsigrok
 , libsigrokdecode, libserialport, libzip, udev, libusb1, libftdi1, glibmm
-, pcre, librevisa, python3, qtbase, qtsvg
+, pcre, librevisa, python3, qt5, qtbase, qtsvg
 }:
 
-stdenv.mkDerivation rec {
+qt5.mkDerivation rec {
   name = "pulseview-0.4.1";
 
   src = fetchurl {
diff --git a/pkgs/desktops/lxqt/pavucontrol-qt/default.nix b/pkgs/desktops/lxqt/pavucontrol-qt/default.nix
index 00359e2ffeded..a7add1f650f39 100644
--- a/pkgs/desktops/lxqt/pavucontrol-qt/default.nix
+++ b/pkgs/desktops/lxqt/pavucontrol-qt/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, cmake, pkgconfig, lxqt, libpulseaudio,
-  pcre, qtbase, qttools, qtx11extras }:
+  pcre, qt5, qtbase, qttools, qtx11extras }:
 
-stdenv.mkDerivation rec {
+qt5.mkDerivation rec {
   pname = "pavucontrol-qt";
   version = "0.14.1";