diff --git a/src/include/janet.h b/src/include/janet.h
index 46f4c8c2..31bd0a73 100644
--- a/src/include/janet.h
+++ b/src/include/janet.h
@@ -166,7 +166,7 @@ extern "C" {
 #endif
 
 /* Enable or disable networking */
-#ifndef JANET_NO_NET
+#if !defined(JANET_NO_NET) && !defined(__EMSCRIPTEN__)
 #define JANET_NET
 #endif