diff --git a/CMakeLists.txt b/CMakeLists.txt
index cacf7df..f3ca200 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,44 +1,47 @@
 project(kmousetool)
 
 cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
 set(QT_MIN_VERSION "5.9.0")
 set(KF5_MIN_VERSION "5.46.0")
 
 
 find_package (ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
 include(CheckIncludeFiles)
 include(KDEInstallDirs)
 include(ECMInstallIcons)
 include(KDECMakeSettings)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(FeatureSummary)
 
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS Core Gui Widgets)
 
 find_package (KF5 ${KF5_MIN_VERSION} REQUIRED
     DBusAddons
     DocTools
     I18n
     IconThemes
     Notifications
     XmlGui
 )
 
 find_package(Phonon4Qt5 REQUIRED NO_MODULE)
 
 include_directories (${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR})
+if (EXISTS "${CMAKE_SOURCE_DIR}/.git")
+   add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
+endif()
 
 find_package(X11 REQUIRED)
 if(NOT X11_Xt_FOUND)
     message(FATAL_ERROR "Cannot find X11 Xt component (libxt header file X11/Intrinsic.h)")
 endif(NOT X11_Xt_FOUND)
 if(NOT X11_XTest_FOUND)
     message(FATAL_ERROR "Cannot find X11 XTest component (libxcb-xtest header file X11/extensions/XTest.h)")
 endif(NOT X11_XTest_FOUND)
 
 add_subdirectory( doc )
 add_subdirectory( kmousetool )
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)