diff --git a/experimental/babel-preset-env/data/plugins.json b/experimental/babel-preset-env/data/plugins.json
index 3642e440d5..74783a5e6d 100644
--- a/experimental/babel-preset-env/data/plugins.json
+++ b/experimental/babel-preset-env/data/plugins.json
@@ -127,7 +127,8 @@
     "firefox": 52
   },
   "transform-async-to-generator": {
-    "chrome": 55
+    "chrome": 55,
+    "firefox": 52
   },
   "syntax-trailing-function-commas": {
     "edge": 14,