diff --git a/tsconfig.json b/tsconfig.json
index cfe2fbc0..4bcd2af0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,6 +14,7 @@
         "preserveConstEnums": true,
         "removeComments": false,
         "sourceMap": true,
+        "strictNullChecks": true,
         "suppressImplicitAnyIndexErrors": false,
         "target": "ES2015"
     },