diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -124,7 +124,7 @@
 add_device_backends_cmake()
 
 add_subdirectory(src)
-if (BUILD_TESTING)
+if (TARGET Qt5::DBus AND BUILD_TESTING)
     add_subdirectory(autotests)
 endif()