diff --git a/src/libdanbooru/CMakeLists.txt b/src/libdanbooru/CMakeLists.txt
index 1d5a534..16d23e5 100644
--- a/src/libdanbooru/CMakeLists.txt
+++ b/src/libdanbooru/CMakeLists.txt
@@ -29,8 +29,7 @@ target_link_libraries(danbooru PUBLIC
 
 install(TARGETS danbooru ${INSTALL_TARGETS_DEFAULT_ARGS})
 
-add_subdirectory(tests)
-
 if (Qt5Test_FOUND)
     add_subdirectory(autotests)
+    add_subdirectory(tests)
 endif()