diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc2d0988..26a73e24 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -264,6 +264,7 @@ IF(BUILD_TESTING)
       PATHS
       $ENV{OPJ_DATA_ROOT}
       ${CMAKE_SOURCE_DIR}/../data
+      ${CMAKE_SOURCE_DIR}/../../data
       )
 
     # Add repository where to find tests