diff --git a/samples/webgl/CMakeLists.txt b/samples/webgl/CMakeLists.txt
index bdcb29aa7b..a3d7ef3052 100644
--- a/samples/webgl/CMakeLists.txt
+++ b/samples/webgl/CMakeLists.txt
@@ -14,7 +14,7 @@ endif()
 
 # customize build
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s WASM=1")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s USE_WEBGL2=1")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s MAX_WEBGL_VERSION=2")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s ALLOW_MEMORY_GROWTH=1")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --bind")
 #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s SAFE_HEAP=1")