diff --git a/emcc.py b/emcc.py
index 9533878a93c9b..231a0ddffafdf 100755
--- a/emcc.py
+++ b/emcc.py
@@ -3767,9 +3767,13 @@ def modularize():
   if not settings.EXPORT_READY_PROMISE:
     return_value = '{}'
 
+  # TODO: Remove when https://bugs.webkit.org/show_bug.cgi?id=223533 is resolved.
+  if async_emit != '' and settings.EXPORT_NAME == 'config':
+    diagnostics.warning('emcc', 'EXPORT_NAME should not be named "config" when targeting Safari')
+
   src = '''
-%(maybe_async)sfunction(%(EXPORT_NAME)s) {
-  %(EXPORT_NAME)s = %(EXPORT_NAME)s || {};
+%(maybe_async)sfunction(config) {
+  var %(EXPORT_NAME)s = config || {};
 
 %(src)s