diff --git a/src/unittest/CMakeLists.txt b/src/unittest/CMakeLists.txt
index 5b09ef0b8..a6187b6c9 100644
--- a/src/unittest/CMakeLists.txt
+++ b/src/unittest/CMakeLists.txt
@@ -54,4 +54,4 @@ set (UNITTEST_CLIENT_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/test_keycode.cpp
 	PARENT_SCOPE)
 
-set (UNITTEST_ASSETS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/assets" PARENT_SCOPE)
+set (UNITTEST_ASSETS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/assets/" PARENT_SCOPE)