diff --git a/pkgs/development/libraries/kde-frameworks-5.18/kauth/cmake-install-paths.patch b/pkgs/development/libraries/kde-frameworks-5.18/kauth/cmake-install-paths.patch
new file mode 100644
index 000000000000..c66f5ecd008f
--- /dev/null
+++ b/pkgs/development/libraries/kde-frameworks-5.18/kauth/cmake-install-paths.patch
@@ -0,0 +1,17 @@
+Index: kauth-5.18.0/KF5AuthConfig.cmake.in
+===================================================================
+--- kauth-5.18.0.orig/KF5AuthConfig.cmake.in
++++ kauth-5.18.0/KF5AuthConfig.cmake.in
+@@ -4,9 +4,9 @@ set(KAUTH_STUB_FILES_DIR "@PACKAGE_KDE_I
+ 
+ set(KAUTH_BACKEND_NAME "@KAUTH_BACKEND_NAME@")
+ set(KAUTH_HELPER_BACKEND_NAME "@KAUTH_HELPER_BACKEND_NAME@")
+-set(KAUTH_POLICY_FILES_INSTALL_DIR "@KAUTH_POLICY_FILES_INSTALL_DIR@")
+-set(KAUTH_HELPER_INSTALL_DIR "@KAUTH_HELPER_INSTALL_DIR@")
+-set(KAUTH_HELPER_INSTALL_ABSOLUTE_DIR "@KAUTH_HELPER_INSTALL_ABSOLUTE_DIR@")
++set(KAUTH_POLICY_FILES_INSTALL_DIR "${KDE_INSTALL_DATADIR}/polkit-1/actions")
++set(KAUTH_HELPER_INSTALL_DIR "${KDE_INSTALL_LIBEXECDIR}")
++set(KAUTH_HELPER_INSTALL_ABSOLUTE_DIR "${KDE_INSTALL_LIBEXECDIR}")
+ 
+ find_dependency(KF5CoreAddons "@KF5_DEP_VERSION@")
+ 
diff --git a/pkgs/development/libraries/kde-frameworks-5.18/kauth/default.nix b/pkgs/development/libraries/kde-frameworks-5.18/kauth/default.nix
index 2b000ff3c041..1352d8c5821f 100644
--- a/pkgs/development/libraries/kde-frameworks-5.18/kauth/default.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.18/kauth/default.nix
@@ -1,4 +1,4 @@
-{ kdeFramework, lib
+{ kdeFramework, lib, copyPathsToStore
 , extra-cmake-modules
 , kcoreaddons
 , polkit-qt
@@ -9,7 +9,7 @@ kdeFramework {
   nativeBuildInputs = [ extra-cmake-modules ];
   buildInputs = [ polkit-qt ];
   propagatedBuildInputs = [ kcoreaddons ];
-  patches = [ ./kauth-policy-install.patch ];
+  patches = copyPathsToStore (lib.readPathsFromFile ./. ./series);
   meta = {
     maintainers = [ lib.maintainers.ttuegel ];
   };
diff --git a/pkgs/development/libraries/kde-frameworks-5.18/kauth/kauth-policy-install.patch b/pkgs/development/libraries/kde-frameworks-5.18/kauth/kauth-policy-install.patch
deleted file mode 100644
index 340155256f28..000000000000
--- a/pkgs/development/libraries/kde-frameworks-5.18/kauth/kauth-policy-install.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/KF5AuthConfig.cmake.in b/KF5AuthConfig.cmake.in
-index e859ec7..9a8ab18 100644
---- a/KF5AuthConfig.cmake.in
-+++ b/KF5AuthConfig.cmake.in
-@@ -4,7 +4,7 @@ set(KAUTH_STUB_FILES_DIR "${PACKAGE_PREFIX_DIR}/@KF5_DATA_INSTALL_DIR@/kauth/")
- 
- set(KAUTH_BACKEND_NAME "@KAUTH_BACKEND_NAME@")
- set(KAUTH_HELPER_BACKEND_NAME "@KAUTH_HELPER_BACKEND_NAME@")
--set(KAUTH_POLICY_FILES_INSTALL_DIR "@KAUTH_POLICY_FILES_INSTALL_DIR@")
-+set(KAUTH_POLICY_FILES_INSTALL_DIR "\${CMAKE_INSTALL_PREFIX}/share/polkit-1/actions")
- set(KAUTH_HELPER_INSTALL_DIR "@KAUTH_HELPER_INSTALL_DIR@")
- 
- find_dependency(KF5CoreAddons "@KF5_DEP_VERSION@")
diff --git a/pkgs/development/libraries/kde-frameworks-5.18/kauth/series b/pkgs/development/libraries/kde-frameworks-5.18/kauth/series
new file mode 100644
index 000000000000..d2689425c387
--- /dev/null
+++ b/pkgs/development/libraries/kde-frameworks-5.18/kauth/series
@@ -0,0 +1 @@
+cmake-install-paths.patch