diff --git a/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.js
index b58be056c17f..6280d7c598f5 100644
--- a/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.js
@@ -22,6 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
@@ -97,7 +98,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( len );
-		bench( pkg+':size='+( len * ( len + 1 ) / 2 ), f );
+		bench( format( '%s:size=%d', pkg, len * ( len + 1 ) / 2 ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.ndarray.js
index e551208abd39..e711c27c5854 100644
--- a/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/base/dspr/benchmark/benchmark.ndarray.js
@@ -22,6 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
@@ -97,7 +98,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:size='+( len * ( len + 1 ) / 2 ), f );
+		bench( format( '%s:ndarray:size=%d', pkg, len * ( len + 1 ) / 2 ), f );
 	}
 }