diff --git a/lib/node_modules/@stdlib/blas/ext/base/dsumkbn2/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/dsumkbn2/benchmark/c/benchmark.length.c
index af2585fe4ab4..0d8cb0a11efe 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dsumkbn2/benchmark/c/benchmark.length.c
+++ b/lib/node_modules/@stdlib/blas/ext/base/dsumkbn2/benchmark/c/benchmark.length.c
@@ -96,11 +96,12 @@ static double rand_double( void ) {
 */
 static double benchmark1( int iterations, int len ) {
 	double elapsed;
-	double x[ len ];
+	double *x;
 	double v;
 	double t;
 	int i;
 
+	x = (double *)malloc( len * sizeof( double ) );
 	for ( i = 0; i < len; i++ ) {
 		x[ i ] = ( rand_double() * 20000.0 ) - 10000.0;
 	}
@@ -118,6 +119,7 @@ static double benchmark1( int iterations, int len ) {
 	if ( v != v ) {
 		printf( "should not return NaN\n" );
 	}
+	free( x );
 	return elapsed;
 }
 
@@ -130,11 +132,12 @@ static double benchmark1( int iterations, int len ) {
 */
 static double benchmark2( int iterations, int len ) {
 	double elapsed;
-	double x[ len ];
+	double *x;
 	double v;
 	double t;
 	int i;
 
+	x = (double *)malloc( len * sizeof( double ) );
 	for ( i = 0; i < len; i++ ) {
 		x[ i ] = ( rand_double() * 20000.0 ) - 10000.0;
 	}
@@ -152,6 +155,7 @@ static double benchmark2( int iterations, int len ) {
 	if ( v != v ) {
 		printf( "should not return NaN\n" );
 	}
+	free( x );
 	return elapsed;
 }