diff --git a/tsconfig.json b/tsconfig.json
index 28b6d11f..1b8c6e39 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -23,7 +23,8 @@
     "downlevelIteration": true,
     "strictNullChecks": true,
     "declaration": true,
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "strictPropertyInitialization": true
   },
   "exclude": [
     "node_modules",