diff --git a/experimental/babel-preset-env/src/index.js b/experimental/babel-preset-env/src/index.js
index e74357a256..304dcd9017 100644
--- a/experimental/babel-preset-env/src/index.js
+++ b/experimental/babel-preset-env/src/index.js
@@ -47,10 +47,21 @@ const isBrowsersQueryValid = (browsers) => {
   return typeof browsers === "string" || Array.isArray(browsers);
 };
 
+const browserNameMap = {
+  chrome: "chrome",
+  edge: "edge",
+  firefox: "firefox",
+  ie: "ie",
+  ios_saf: "ios",
+  safari: "safari"
+};
+
 const getLowestVersions = (browsers) => {
   return browsers.reduce((all, browser) => {
     const [browserName, browserVersion] = browser.split(" ");
-    all[browserName] = parseInt(browserVersion);
+    if (browserName in browserNameMap) {
+      all[browserNameMap[browserName]] = parseInt(browserVersion);
+    }
     return all;
   }, {});
 };