1 files changed, 1 insertions, 0 deletions
diff --git a/emcc b/emcc
index 914765d6..96d961dc 100755
--- a/emcc
+++ b/emcc
@@ -990,6 +990,7 @@ try:
     newargs = newargs + [default_cxx_std]
 
   if emrun:
+    pre_js += open(shared.path_from_root('src', 'emrun_prejs.js')).read() + '\n'
     post_js += open(shared.path_from_root('src', 'emrun_postjs.js')).read() + '\n'
 
   if js_opts is None: js_opts = opt_level >= 2