diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 1d4fdd79..b9cd3ff5 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -56,7 +56,10 @@ if(${PLATFORM} MATCHES "Android")
 
 elseif(${PLATFORM} MATCHES "Web")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Os -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1")
+  # Since WASM is used, ALLOW_MEMORY_GROWTH has no extra overheads
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s ALLOW_MEMORY_GROWTH=1 --no-heap-copy")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --shell-file ${CMAKE_SOURCE_DIR}/templates/web_shell/shell.html")
+
   set(OUTPUT_EXT ".html")
 
 endif()