diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@
 set(KDECORATION2_INCLUDEDIR "${KDE_INSTALL_INCLUDEDIR}/KDecoration2")
 find_package(KF5I18n ${KF5_MIN_VERSION} CONFIG REQUIRED)
 if (EXISTS "${CMAKE_SOURCE_DIR}/.git")
-   add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
+   add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050d00)
    add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x060000)
 endif()