diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 540d9db19..febb06958 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -39,7 +39,7 @@ set_target_properties(${JSON_UNITTEST_TARGET_NAME} PROPERTIES
     CXX_STANDARD 11
     CXX_STANDARD_REQUIRED ON
     #COMPILE_DEFINITIONS "$<$<CXX_COMPILER_ID:MSVC>:_SCL_SECURE_NO_WARNINGS>"
-    COMPILE_OPTIONS "$<$<CXX_COMPILER_ID:MSVC>:/EHsc;/Wall$<$<CONFIG:Release>:/Od>>"
+    COMPILE_OPTIONS "$<$<CXX_COMPILER_ID:MSVC>:/EHsc;/Wall;$<$<CONFIG:Release>:/Od>>"
 )
 
 target_include_directories(${JSON_UNITTEST_TARGET_NAME} PRIVATE "src")