diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 8bd7d23a6..ca1931f61 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -109,8 +109,7 @@ function(add_kddw_test test srcs)
         _add_test(${test})
     endif()
     target_compile_definitions(${test} PRIVATE KDDW_SRC_DIR="${CMAKE_SOURCE_DIR}")
-    if(NOT WIN32)
-        # we don't have spdlog in our windows CI
+    if(KDDockWidgets_HAS_SPDLOG)
         target_compile_definitions(${test} PRIVATE KDDW_HAS_SPDLOG)
     endif()
 endfunction()