diff --git a/src/index.ts b/src/index.ts
index 8aec98b5..5ac93dfa 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,7 +5,7 @@ import { availableParallelism } from 'os';
 import { fileURLToPath, URL } from 'url';
 import { resolve } from 'path';
 import { inspect, types } from 'util';
-import assert from 'assert';
+import { strict as assert } from 'assert';
 import { Histogram, RecordableHistogram, createHistogram, performance } from 'perf_hooks';
 import {
   READY,
diff --git a/tsconfig.json b/tsconfig.json
index 921da16d..9830a2ba 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -15,7 +15,7 @@
     "noUnusedParameters": true,
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
-    "esModuleInterop": true,
+    "esModuleInterop": false,
 
     "resolveJsonModule": true,                /* Include modules imported with '.json' extension */
     "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */