diff --git a/CMakeLists.txt b/CMakeLists.txt
index 404e91cd..24a104d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,10 +47,11 @@ if ("${CMAKE_BUILD_TYPE}" MATCHES "Release")
     string(REGEX REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
     string(REGEX REPLACE "/MD" "/MT" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
 
-    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
     message(NOTICE "Building in Release mode")
 endif()
 
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+
 include(FetchContent)
 
 message(STATUS "Fetching bddisasm (v1.34.10)...")
diff --git a/cmake.toml b/cmake.toml
index a12392d0..08954be1 100644
--- a/cmake.toml
+++ b/cmake.toml
@@ -23,9 +23,10 @@ if ("${CMAKE_BUILD_TYPE}" MATCHES "Release")
     string(REGEX REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
     string(REGEX REPLACE "/MD" "/MT" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
 
-    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
     message(NOTICE "Building in Release mode")
 endif()
+
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 """
 
 [target.spdlog]