diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index cd9346e..523db86 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -549,7 +549,7 @@
  */
 static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len )
 {
-#if !defined(__OpenBSD__)
+#if !defined(__OpenBSD__) && !defined(__NetBSD__)
     size_t i;
 
     if( rng_state != NULL )
@@ -562,7 +562,7 @@
         rng_state = NULL;
 
     arc4random_buf( output, len );
-#endif /* !OpenBSD */
+#endif /* !OpenBSD && !NetBSD */
 
     return( 0 );
 }