diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 1234567..abcdef0 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -148,10 +148,10 @@ set_target_properties(${PROJECT_NAME}
     CMAKE_AUTOUIC ON
 )
 
 target_compile_options(${PROJECT_NAME}
   PRIVATE
-    $<$<CXX_COMPILER_ID:MSVC>:/MP /WX /W4>
+    $<$<CXX_COMPILER_ID:MSVC>:/MP /W4>
     $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -Werror>
 )
 
 # Create source groups.