diff --git a/include/bx/platform.h b/include/bx/platform.h
index 193e0c2..5bf41d2 100644
--- a/include/bx/platform.h
+++ b/include/bx/platform.h
@@ -236,7 +236,7 @@
 #	elif defined(__MINGW32__) || defined(__MINGW64__)
 #		undef  BX_CRT_MINGW
 #		define BX_CRT_MINGW 1
-#	elif defined(__apple_build_version__) || defined(__ORBIS__)
+#	elif defined(__apple_build_version__) || defined(__ORBIS__) || defined(__EMSCRIPTEN__)
 #		undef  BX_CRT_LIBCXX
 #		define BX_CRT_LIBCXX 1
 #	endif //