diff --git a/src/generator/MersenneTwister.ts b/src/generator/MersenneTwister.ts
index c730fa1..61cebf6 100644
--- a/src/generator/MersenneTwister.ts
+++ b/src/generator/MersenneTwister.ts
@@ -91,7 +91,7 @@ function fromState(state: readonly number[]): RandomGenerator {
   return MersenneTwister.fromState(state);
 }
 
-export default Object.assign(
+export const mersenne = Object.assign(
   function (seed: number): RandomGenerator {
     return MersenneTwister.from(seed);
   },
diff --git a/src/pure-rand-default.ts b/src/pure-rand-default.ts
index 075a01b..eb831d1 100644
--- a/src/pure-rand-default.ts
+++ b/src/pure-rand-default.ts
@@ -1,6 +1,6 @@
 import type { RandomGenerator } from './types/RandomGenerator';
 import { congruential32 } from './generator/LinearCongruential';
-import mersenne from './generator/MersenneTwister';
+import { mersenne } from './generator/MersenneTwister';
 import { xorshift128plus } from './generator/XorShift';
 import { xoroshiro128plus } from './generator/XoroShiro';
 
diff --git a/test/unit/distribution/UniformArrayIntDistribution.noreg.spec.ts b/test/unit/distribution/UniformArrayIntDistribution.noreg.spec.ts
index 626eb12..479b080 100644
--- a/test/unit/distribution/UniformArrayIntDistribution.noreg.spec.ts
+++ b/test/unit/distribution/UniformArrayIntDistribution.noreg.spec.ts
@@ -2,7 +2,7 @@ import fc from 'fast-check';
 
 import { ArrayInt } from '../../../src/distribution/internals/ArrayInt';
 import { uniformArrayIntDistribution } from '../../../src/distribution/UniformArrayIntDistribution';
-import mersenne from '../../../src/generator/MersenneTwister';
+import { mersenne } from '../../../src/generator/MersenneTwister';
 import { RandomGenerator } from '../../../src/types/RandomGenerator';
 
 describe('uniformArrayIntDistribution [non regression]', () => {
diff --git a/test/unit/distribution/UniformBigIntDistribution.noreg.spec.ts b/test/unit/distribution/UniformBigIntDistribution.noreg.spec.ts
index 00b57fc..404f5ec 100644
--- a/test/unit/distribution/UniformBigIntDistribution.noreg.spec.ts
+++ b/test/unit/distribution/UniformBigIntDistribution.noreg.spec.ts
@@ -1,5 +1,5 @@
 import { uniformBigIntDistribution } from '../../../src/distribution/UniformBigIntDistribution';
-import mersenne from '../../../src/generator/MersenneTwister';
+import { mersenne } from '../../../src/generator/MersenneTwister';
 import { RandomGenerator } from '../../../src/types/RandomGenerator';
 
 describe('uniformBigIntDistribution [non regression]', () => {
diff --git a/test/unit/distribution/UniformBigIntDistribution.spec.ts b/test/unit/distribution/UniformBigIntDistribution.spec.ts
index 6883d9a..0dbefed 100644
--- a/test/unit/distribution/UniformBigIntDistribution.spec.ts
+++ b/test/unit/distribution/UniformBigIntDistribution.spec.ts
@@ -3,7 +3,7 @@ import * as fc from 'fast-check';
 
 import { uniformBigIntDistribution } from '../../../src/distribution/UniformBigIntDistribution';
 import { uniformIntDistribution } from '../../../src/distribution/UniformIntDistribution';
-import mersenne from '../../../src/generator/MersenneTwister';
+import { mersenne } from '../../../src/generator/MersenneTwister';
 
 const bigIntArbitrary = fc
   .tuple(fc.boolean(), fc.nat(0xffffffff), fc.nat(0xffffffff), fc.nat(0xffffffff), fc.nat(0xffffffff))
diff --git a/test/unit/distribution/UniformIntDistribution.noreg.spec.ts b/test/unit/distribution/UniformIntDistribution.noreg.spec.ts
index ed4d5a8..2f3c084 100644
--- a/test/unit/distribution/UniformIntDistribution.noreg.spec.ts
+++ b/test/unit/distribution/UniformIntDistribution.noreg.spec.ts
@@ -1,7 +1,7 @@
 import fc from 'fast-check';
 
 import { uniformIntDistribution } from '../../../src/distribution/UniformIntDistribution';
-import mersenne from '../../../src/generator/MersenneTwister';
+import { mersenne } from '../../../src/generator/MersenneTwister';
 import { RandomGenerator } from '../../../src/types/RandomGenerator';
 
 describe('uniformIntDistribution [non regression]', () => {
diff --git a/test/unit/generator/MersenneTwister.spec.ts b/test/unit/generator/MersenneTwister.spec.ts
index 0462372..987befc 100644
--- a/test/unit/generator/MersenneTwister.spec.ts
+++ b/test/unit/generator/MersenneTwister.spec.ts
@@ -1,7 +1,7 @@
 import * as assert from 'assert';
 import * as fc from 'fast-check';
 
-import mersenne from '../../../src/generator/MersenneTwister';
+import { mersenne } from '../../../src/generator/MersenneTwister';
 import * as p from './RandomGenerator.properties';
 
 describe('mersenne', () => {