diff --git a/srcpkgs/kdiff3/template b/srcpkgs/kdiff3/template
index 6e9c127f4ae..bd7dc7a72a2 100644
--- a/srcpkgs/kdiff3/template
+++ b/srcpkgs/kdiff3/template
@@ -3,7 +3,8 @@ pkgname=kdiff3
 version=1.12.3
 revision=1
 build_style=cmake
-configure_args="-DKF6_HOST_TOOLING=/usr/lib/cmake"
+configure_args="-DKF6_HOST_TOOLING=/usr/lib/cmake
+ -DKDE_INSTALL_QTPLUGINDIR=lib/qt6/plugins"
 hostmakedepends="extra-cmake-modules gettext kf6-kcoreaddons kf6-kdoctools
  kf6-kconfig qt6-base"
 makedepends="qt6-base-devel boost-devel