diff --git a/ksmserver/config-ksmserver.h.cmake b/ksmserver/config-ksmserver.h.cmake
index 2ad0394a1..939632c86 100644
--- a/ksmserver/config-ksmserver.h.cmake
+++ b/ksmserver/config-ksmserver.h.cmake
@@ -8,3 +8,5 @@
 #else
 #define KCHECKPASS_BIN "${CMAKE_CURRENT_BINARY_DIR}/screenlocker/greeter/autotests/fakekcheckpass"
 #endif
+
+#define KSCREENLOCKER_GREET_BIN "${CMAKE_INSTALL_PREFIX}/${LIBEXEC_INSTALL_DIR}/kscreenlocker_greet"
diff --git a/ksmserver/screenlocker/CMakeLists.txt b/ksmserver/screenlocker/CMakeLists.txt
index 9aeec778c..b0e6cb5c7 100644
--- a/ksmserver/screenlocker/CMakeLists.txt
+++ b/ksmserver/screenlocker/CMakeLists.txt
@@ -2,6 +2,7 @@ add_definitions(-DKDE_DEFAULT_DEBUG_AREA=1223)
 add_subdirectory(kcheckpass)
 add_subdirectory(data)
 add_subdirectory(greeter)
+include_directories(${CMAKE_CURRENT_BINARY_DIR}/../)
 
 set(screensaver_dbusXML dbus/org.freedesktop.ScreenSaver.xml)
 set(kscreensaver_dbusXML dbus/org.kde.screensaver.xml)
diff --git a/ksmserver/screenlocker/ksldapp.cpp b/ksmserver/screenlocker/ksldapp.cpp
index c2db0425d..62c43debf 100644
--- a/ksmserver/screenlocker/ksldapp.cpp
+++ b/ksmserver/screenlocker/ksldapp.cpp
@@ -25,6 +25,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "lockwindow.h"
 #include "logind.h"
 #include "kscreensaversettings.h"
+#include <config-ksmserver.h>
 // workspace
 #include <kdisplaymanager.h>
 // KDE
@@ -34,7 +35,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <KLocalizedString>
 // #include <KNotification>
 #include <KProcess>
-#include <KStandardDirs>
 #include <KGlobalAccel>
 #include <KCrash>
 #include <KDebug>
@@ -308,7 +308,7 @@ bool KSldApp::startLockProcess(bool immediateLock)
     if (immediateLock) {
         args << "--immediateLock";
     }
-    m_lockProcess->start(KStandardDirs::findExe(QLatin1String("kscreenlocker_greet")), args);
+    m_lockProcess->start(QStringLiteral(KSCREENLOCKER_GREET_BIN), args);
     // we wait one minute
     if (!m_lockProcess->waitForStarted(60000)) {
         m_lockProcess->kill();