diff --git a/cmake/toolchain.cmake b/cmake/toolchain.cmake
index 574b60a..4a72668 100644
--- a/cmake/toolchain.cmake
+++ b/cmake/toolchain.cmake
@@ -1,6 +1,6 @@
 #compile with warnings
 if(WIN32)
-    add_compile_options(/W4 /WX)
+    add_compile_options(/W4 /WX "$<$<CONFIG:DEBUG>:/MTd>")
 else()
     add_compile_options(-Wall -Wextra -pedantic -Werror)
 endif()