diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad2315070c..0ca4594947 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ set(URANIUM_SCRIPTS_DIR "${CMAKE_SOURCE_DIR}/../uranium/scripts" CACHE DIRECTORY
 # Tests
 # Note that we use exit 0 here to not mark the build as a failure on test failure
 add_custom_target(tests)
-add_custom_command(TARGET tests POST_BUILD COMMAND "PYTHONPATH=${CMAKE_SOURCE_DIR}" ${PYTHON_EXECUTABLE} -m pytest -r a --junitxml=${CMAKE_BINARY_DIR}/junit.xml ${CMAKE_SOURCE_DIR} || exit 0)
+add_custom_command(TARGET tests POST_BUILD COMMAND "PYTHONPATH=${CMAKE_SOURCE_DIR}/../Uranium/:${CMAKE_SOURCE_DIR}" ${PYTHON_EXECUTABLE} -m pytest -r a --junitxml=${CMAKE_BINARY_DIR}/junit.xml ${CMAKE_SOURCE_DIR} || exit 0)
 
 
 set(CURA_VERSION "master" CACHE STRING "Version name of Cura")