diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 9272c591dd..3401d2b823 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -38,7 +38,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
 	endif()
 
 	if(NOT GLM_DISABLE_AUTO_DETECTION)
-		add_compile_options(/W4 /WX)
+		add_compile_options(/Wall /WX)
 	endif()
 #	add_compile_options(/wd4309 /wd4324 /wd4389 /wd4127 /wd4267 /wd4146 /wd4201 /wd4464 /wd4514 /wd4701 /wd4820 /wd4365)
 	add_definitions(-D_CRT_SECURE_NO_WARNINGS)