diff --git a/UnixBench/Run b/UnixBench/Run
index d615935..ce5fb15 100755
--- a/UnixBench/Run
+++ b/UnixBench/Run
@@ -106,10 +106,10 @@ my $TESTDIR = getDir('UB_TESTDIR', $BASEDIR . "/testdir");
 
 # Configure the categories to which tests can belong.
 my $testCats = {
-    'system'    => { 'name' => "System Benchmarks", 'maxCopies' => 16 },
+    'system'    => { 'name' => "System Benchmarks", 'maxCopies' => 0 },
     '2d'        => { 'name' => "2D Graphics Benchmarks", 'maxCopies' => 1 },
     '3d'        => { 'name' => "3D Graphics Benchmarks", 'maxCopies' => 1 },
-    'misc'      => { 'name' => "Non-Index Benchmarks", 'maxCopies' => 16 },
+    'misc'      => { 'name' => "Non-Index Benchmarks", 'maxCopies' => 0 },
 };
 
 
@@ -1329,7 +1329,7 @@ sub runTests {
         # If the benchmark doesn't want to run with this many copies, skip it.
         my $cat = $params->{'cat'};
         my $maxCopies = $testCats->{$cat}{'maxCopies'};
-        next if ($copies > $maxCopies);
+        next if ($maxCopies > 0 && $copies > $maxCopies);
 
         # Run the benchmark.
         my $bresult = runBenchmark($bench, $params, $verbose, $logFile, $copies);