diff --git a/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.assign.length.js b/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.assign.length.js
index 45e0f57e4021..0799bdc1e370 100644
--- a/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.assign.length.js
+++ b/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.assign.length.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var isArray = require( '@stdlib/assert/is-array' );
 var filled = require( '@stdlib/array/base/filled' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var cunone = require( './../lib' );
 
@@ -91,7 +92,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':assign:len='+len, f );
+		bench( format( '%s:assign:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.length.js b/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.length.js
index 76d8a6779943..fdc2633ae32e 100644
--- a/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.length.js
+++ b/lib/node_modules/@stdlib/array/base/cunone/benchmark/benchmark.length.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var isArray = require( '@stdlib/assert/is-array' );
 var filled = require( '@stdlib/array/base/filled' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var cunone = require( './../lib' );
 
@@ -88,7 +89,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }