diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11b1f9afa..4e56e5d02 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,7 @@ project(okular)
 add_subdirectory( ui )
 add_subdirectory( shell )
 add_subdirectory( generators )
+add_subdirectory( tests )
 
 include(OkularConfigureChecks.cmake)