diff --git a/pkgs/development/libraries/kde-frameworks-5.12/default.nix b/pkgs/development/libraries/kde-frameworks-5.12/default.nix
index e2ae5aa7940..d8f51fe7eb7 100644
--- a/pkgs/development/libraries/kde-frameworks-5.12/default.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.12/default.nix
@@ -216,6 +216,10 @@ let
       patches = [ ./ktexteditor/0001-no-qcoreapplication.patch ];
     };
 
+    kwallet = extendDerivation super.kwallet {
+      buildInputs = [ scope.kdoctools ];
+    };
+
     networkmanager-qt = extendDerivation super.networkmanager-qt {
       propagatedBuildInputs = [ scope.networkmanager ];
     };