diff --git a/app/assets/javascripts/discourse/config/targets.js b/app/assets/javascripts/discourse/config/targets.js
index 6277c67845..13213df378 100644
--- a/app/assets/javascripts/discourse/config/targets.js
+++ b/app/assets/javascripts/discourse/config/targets.js
@@ -1,11 +1,19 @@
 "use strict";
 
+const isCI = !!process.env.CI;
+const isProduction = process.env.EMBER_ENV === "production";
+
 const browsers = [
   "last 1 Chrome versions",
   "last 1 Firefox versions",
   "last 1 Safari versions",
 ];
 
+if (isCI || isProduction) {
+  // https://meta.discourse.org/t/224747
+  browsers.push("Safari 12");
+}
+
 module.exports = {
   browsers,
 };