diff --git a/pkgs/development/libraries/qt-5/5.12/default.nix b/pkgs/development/libraries/qt-5/5.12/default.nix
index 3adb46cd4ee6..0f5eb19474e4 100644
--- a/pkgs/development/libraries/qt-5/5.12/default.nix
+++ b/pkgs/development/libraries/qt-5/5.12/default.nix
@@ -127,6 +127,8 @@ let
       callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
     in {
 
+      inherit callPackage qtCompatVersion qtModule srcs;
+
       mkDerivationWith =
         import ../mkDerivation.nix
         { inherit lib; inherit debug; inherit (self) wrapQtAppsHook; };
diff --git a/pkgs/development/libraries/qt-5/5.14/default.nix b/pkgs/development/libraries/qt-5/5.14/default.nix
index 4662e45fdfdc..c12a20dd4daf 100644
--- a/pkgs/development/libraries/qt-5/5.14/default.nix
+++ b/pkgs/development/libraries/qt-5/5.14/default.nix
@@ -139,6 +139,8 @@ let
       callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
     in {
 
+      inherit callPackage qtCompatVersion qtModule srcs;
+
       mkDerivationWith =
         import ../mkDerivation.nix
         { inherit lib; inherit debug; inherit (self) wrapQtAppsHook; };
diff --git a/pkgs/development/libraries/qt-5/5.15/default.nix b/pkgs/development/libraries/qt-5/5.15/default.nix
index d835ee63dc46..3b8540ca68fe 100644
--- a/pkgs/development/libraries/qt-5/5.15/default.nix
+++ b/pkgs/development/libraries/qt-5/5.15/default.nix
@@ -165,6 +165,8 @@ let
       callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
     in {
 
+      inherit callPackage qtCompatVersion qtModule srcs;
+
       mkDerivationWith =
         import ../mkDerivation.nix
         { inherit lib; inherit debug; inherit (self) wrapQtAppsHook; };