diff --git a/CMakeLists.txt b/CMakeLists.txt
index 47728ae1..dc3bac5f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,8 +5,17 @@ project(lovr)
 if(EMSCRIPTEN)
   message(STATUS "${EMSCRIPTEN_ROOT_PATH}")
   add_definitions(-DLOVR_WEB=1)
-  set(CMAKE_EXECUTABLE_SUFFIX ".html")
-  set(LOVR_EMSCRIPTEN_FLAGS "-O3 -s USE_WEBGL2=1 -s FULL_ES3=1 -s USE_FREETYPE=1 -s USE_GLFW=3 -s USE_ZLIB=1 -s ASSERTIONS=1 -s AGGRESSIVE_VARIABLE_ELIMINATION=1 -s NO_EXIT_RUNTIME=1 -s TOTAL_MEMORY=134217728 -s ELIMINATE_DUPLICATE_FUNCTIONS=1")
+  string(CONCAT LOVR_EMSCRIPTEN_FLAGS
+    "-O3 "
+    "-s USE_WEBGL2=1 "
+    "-s FULL_ES3=1 "
+    "-s USE_FREETYPE=1 "
+    "-s USE_GLFW=3 "
+    "-s USE_ZLIB=1 "
+    "-s TOTAL_MEMORY=134217728 "
+    "-s NO_EXIT_RUNTIME=1 "
+    "-s WASM=1"
+  )
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LOVR_EMSCRIPTEN_FLAGS}")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LOVR_EMSCRIPTEN_FLAGS}")
   include_directories("${EMSCRIPTEN_ROOT_PATH}/tests/zlib")