diff --git a/src/server/tsconfig.json b/src/server/tsconfig.json
index 2f17019e2de..b0eb4965ea6 100644
--- a/src/server/tsconfig.json
+++ b/src/server/tsconfig.json
@@ -3,6 +3,7 @@
     "compilerOptions": {
         "removeComments": true,
         "outFile": "../../built/local/tsserver.js",
+        "preserveConstEnums": true,
         "types": [
             "node"
         ]