diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8215105..d056c7a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,12 @@ set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
 include(CPack)
 include(Doxycelli)
 
+if (MSVC)
+  add_compile_options(/W4 /WX)
+else()
+  add_compile_options(-Wall -Wextra -pedantic -Werror)
+endif()
+
 add_subdirectory(src)
 
 install(FILES README.md LICENSE.txt DESTINATION doc/monicelli)
diff --git a/cmake/FindRagel.cmake b/cmake/FindRagel.cmake
index 24bcbd3..52c7501 100644
--- a/cmake/FindRagel.cmake
+++ b/cmake/FindRagel.cmake
@@ -29,8 +29,10 @@ function(add_ragel_library name ragel_source)
       CXX_STANDARD_REQUIRED true
   )
 
-  # The lexer uses implicit fallthroughs all over, but it's OK.
-  target_compile_options(${name} PRIVATE -Wno-implicit-fallthrough)
+  if (NOT MSVC)
+    # The lexer uses implicit fallthroughs all over, but it's OK.
+    target_compile_options(${name} PRIVATE -Wno-implicit-fallthrough)
+  endif()
 
   target_include_directories(${name} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 endfunction()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5d61f2f..9d6fdce 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -33,14 +33,12 @@ add_executable(mcc
   operators.def
 )
 
-set_target_properties(mcc
+set_target_properties(mcc lexer
   PROPERTIES
     CXX_STANDARD 11
     CXX_STANDARD_REQUIRED true
 )
 
-target_compile_options(mcc PRIVATE -Wall -Wextra -Werror)
-
 target_link_libraries(mcc PRIVATE lexer)
 
 llvm_config(mcc