diff --git a/js/console.ts b/js/console.ts
index 6e0b2e7a6a..ccfcf007b8 100644
--- a/js/console.ts
+++ b/js/console.ts
@@ -105,6 +105,8 @@ function stringify(
     case "undefined":
     case "symbol":
       return String(value);
+    case "bigint":
+      return `${value}n`;
     case "function":
       return createFunctionString(value as Function, ctx);
     case "object":
diff --git a/js/console_test.ts b/js/console_test.ts
index 3a50b08d45..a46edf29e7 100644
--- a/js/console_test.ts
+++ b/js/console_test.ts
@@ -70,6 +70,7 @@ test(function consoleTestStringifyCircular() {
   const nestedObjExpected = `{ num: 1, bool: true, str: "a", method: [Function: method], asyncMethod: [AsyncFunction: asyncMethod], generatorMethod: [GeneratorFunction: generatorMethod], un: undefined, nu: null, arrowFunc: [Function: arrowFunc], extendedClass: Extended { a: 1, b: 2 }, nFunc: [Function], extendedCstr: [Function: Extended], o: { num: 2, bool: false, str: "b", method: [Function: method], un: undefined, nu: null, nested: [Circular], emptyObj: [object], arr: [object], baseClass: [object] } }`;
 
   assertEqual(stringify(1), "1");
+  assertEqual(stringify(1n), "1n");
   assertEqual(stringify("s"), "s");
   assertEqual(stringify(false), "false");
   assertEqual(stringify(Symbol(1)), "Symbol(1)");