diff --git a/lib/node_modules/@stdlib/random/base/mt19937/benchmark/benchmark.factory.js b/lib/node_modules/@stdlib/random/base/mt19937/benchmark/benchmark.factory.js
index 2468ecbb10ea..3a4e084630b3 100644
--- a/lib/node_modules/@stdlib/random/base/mt19937/benchmark/benchmark.factory.js
+++ b/lib/node_modules/@stdlib/random/base/mt19937/benchmark/benchmark.factory.js
@@ -61,7 +61,7 @@ bench( format( '%s:factory:seed=<integer>', pkg ), function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		opts.seed += i;
+		opts.seed = i + 1;
 		f = factory( opts );
 		if ( typeof f !== 'function' ) {
 			b.fail( 'should return a function' );