diff --git a/pkgs/development/libraries/qt-5/5.12/default.nix b/pkgs/development/libraries/qt-5/5.12/default.nix
index 680debc164f7..2e7029f71464 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 eaf7998047f0..e74c91ecb5d3 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 59c2c7048044..f696a66f67b9 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; };