diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba7c9f4..d2efb7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,12 @@ set(PROJECT_VERSION "5.17.80")
 set(QT_MIN_VERSION "5.12.0")
 set(KF5_MIN_VERSION "5.62.0")
 
+set(SDDM_CONFIG_FILE                 "${CMAKE_INSTALL_FULL_SYSCONFDIR}/sddm.conf"        CACHE PATH      "Path of the sddm config file")
+set(SDDM_CONFIG_DIR                  "${CMAKE_INSTALL_FULL_SYSCONFDIR}/sddm.conf.d"      CACHE PATH      "Path of the sddm config directory")
+set(SDDM_SYSTEM_CONFIG_DIR           "${CMAKE_INSTALL_PREFIX}/lib/sddm/sddm.conf.d"      CACHE PATH      "Path of the system sddm config directory")
+set(XSESSIONS_DIR                    "${CMAKE_INSTALL_PREFIX}/share/xsessions"           CACHE PATH      "Path of the xsessions")
+set(WAYLAND_SESSIONS_DIR             "${CMAKE_INSTALL_PREFIX}/share/wayland-sessions"    CACHE PATH      "Path of the wayland sessions")
+
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 include(ECMInstallIcons)
@@ -32,6 +38,8 @@ if (EXISTS "${CMAKE_SOURCE_DIR}/.git")
    add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x060000)
 endif()
 
+configure_file(config.h.in config.h IMMEDIATE @ONLY)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 add_definitions(-DTRANSLATION_DOMAIN=\"kcm_sddm\")
 add_definitions(-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
diff --git a/sddmauthhelper.cpp b/sddmauthhelper.cpp
index c8682ee..b8bb5b2 100644
--- a/sddmauthhelper.cpp
+++ b/sddmauthhelper.cpp
@@ -36,6 +36,8 @@
 #include <KUser>
 #include <KZip>
 
+#include "config.h"
+
 static QSharedPointer<KConfig> openConfig(const QString &filePath)
 {
     QFile file(filePath);
@@ -212,8 +214,8 @@ ActionReply SddmAuthHelper::reset(const QVariantMap &args)
 ActionReply SddmAuthHelper::save(const QVariantMap &args)
 {
     ActionReply reply = ActionReply::HelperErrorReply();
-    QSharedPointer<KConfig> sddmConfig = openConfig(args[QStringLiteral("kde_settings.conf")].toString());
-    QSharedPointer<KConfig> sddmOldConfig = openConfig(args[QStringLiteral("sddm.conf")].toString());
+    QSharedPointer<KConfig> sddmConfig = openConfig(QStringLiteral(SDDM_CONFIG_DIR "/kde.conf"));
+    QSharedPointer<KConfig> sddmOldConfig = openConfig(QStringLiteral(SDDM_CONFIG_FILE));
     QSharedPointer<KConfig> themeConfig;
     QString themeConfigFile = args[QStringLiteral("theme.conf.user")].toString();
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6ba125d..dfb53de 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,12 +1,3 @@
-set(SDDM_CONFIG_FILE                 "${CMAKE_INSTALL_FULL_SYSCONFDIR}/sddm.conf"        CACHE PATH      "Path of the sddm config file")
-set(SDDM_CONFIG_DIR                  "${CMAKE_INSTALL_FULL_SYSCONFDIR}/sddm.conf.d"      CACHE PATH      "Path of the sddm config directory")
-set(SDDM_SYSTEM_CONFIG_DIR           "${CMAKE_INSTALL_PREFIX}/lib/sddm/sddm.conf.d"      CACHE PATH      "Path of the system sddm config directory")
-set(XSESSIONS_DIR                    "${CMAKE_INSTALL_PREFIX}/share/xsessions"           CACHE PATH      "Path of the xsessions")
-set(WAYLAND_SESSIONS_DIR             "${CMAKE_INSTALL_PREFIX}/share/wayland-sessions"    CACHE PATH      "Path of the wayland sessions")
-
-configure_file(config.h.in config.h IMMEDIATE @ONLY)
-# add_subdirectory(configwidgets)
-
 include_directories(configwidgets)
 
 set(SDDM_KCM_SRCS
diff --git a/src/config.h.in b/src/config.h.in
deleted file mode 100644
index 6180bd1..0000000
--- a/src/config.h.in
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-#define SDDM_CONFIG_FILE                 "@SDDM_CONFIG_FILE@"
-#define SDDM_CONFIG_DIR                  "@SDDM_CONFIG_DIR@"
-#define SDDM_SYSTEM_CONFIG_DIR           "@SDDM_SYSTEM_CONFIG_DIR@"
-#define XSESSIONS_DIR                    "@XSESSIONS_DIR@"
-#define WAYLAND_SESSIONS_DIR             "@WAYLAND_SESSIONS_DIR@"
-
-#endif //CONFIG_H