diff --git a/CMakeLists.txt b/CMakeLists.txt
index 278227e..60e1344 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,88 +1,90 @@
 ###
 #  Copyright 2013-2016  Andreas Cord-Landwehr <cordlandwehr@kde.org>
 #
 #  Redistribution and use in source and binary forms, with or without
 #  modification, are permitted provided that the following conditions
 #  are met:
 #
 #  1. Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 #  2. Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
 #     documentation and/or other materials provided with the distribution.
 #
 #  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 #  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 #  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 #  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 #  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 #  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 #  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 #  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 #  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ###
 
 project(artikulate)
 
 cmake_minimum_required(VERSION 3.5.0)
 set(QT_MIN_VERSION "5.11.0")
 set(KF5_MIN_VERSION "5.57.0")
 
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 find_package(KF5DocTools)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
 include(KDEInstallDirs)
 include(ECMAddTests)
 include(KDECMakeSettings)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(ECMInstallIcons)
 include(ECMOptionalAddSubdirectory)
 include(ECMSetupVersion)
 include(ECMEnableSanitizers)
 include(FeatureSummary)
 include(GenerateExportHeader)
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS
     Widgets
     Sql
     XmlPatterns
     Qml
     Quick
     Test
 )
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     Archive
     Config
     Crash
     I18n
     NewStuff
     Kirigami2
 )
 
 # options
 option(BUILD_QTMULTIMEDIA_PLUGIN "Build QtMultimedia sound backend" ON)
 option(BUILD_GSTREAMER_PLUGIN "Build GStreamer sound backend" OFF)
 
 add_definitions(
     -DQT_NO_URL_CAST_FROM_STRING
 )
-add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x060000)
+if (EXISTS "${CMAKE_SOURCE_DIR}/.git")
+   add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x060000)
+endif()
 # subdirectories to build
 ecm_optional_add_subdirectory(data)
 ecm_optional_add_subdirectory(doc)
 ecm_optional_add_subdirectory(src)
 ecm_optional_add_subdirectory(sounds)
 ecm_optional_add_subdirectory(images)
 ecm_optional_add_subdirectory(icons)
 ecm_optional_add_subdirectory(libsound)
 ecm_optional_add_subdirectory(liblearnerprofile)
 ecm_optional_add_subdirectory(autotests)
 
 # files to install in the artikulate project root directory
 install(PROGRAMS org.kde.artikulate.desktop  DESTINATION ${XDG_APPS_INSTALL_DIR})
 install(FILES org.kde.artikulate.appdata.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)