diff --git a/tests/scripts/test-ref-configs.pl b/tests/scripts/test-ref-configs.pl
index d1cc924..ebc032b 100755
--- a/tests/scripts/test-ref-configs.pl
+++ b/tests/scripts/test-ref-configs.pl
@@ -11,14 +11,17 @@
 use strict;
 
 my %configs = (
-    'config-mini-tls1_1.h'
-        => '-m tls1_1 -f \'^DES-CBC3-SHA$\|^TLS-RSA-WITH-3DES-EDE-CBC-SHA$\'',
-    'config-suite-b.h'
-        => "-m tls1_2 -f 'ECDHE-ECDSA.*AES.*GCM' -p mbedTLS",
-    'config-picocoin.h'
-        => 0,
-    'config-ccm-psk-tls1_2.h'
-        => '-m tls1_2 -f \'^TLS-PSK-WITH-AES-...-CCM-8\'',
+    'config-mini-tls1_1.h' => {
+        'compat' => '-m tls1_1 -f \'^DES-CBC3-SHA$\|^TLS-RSA-WITH-3DES-EDE-CBC-SHA$\'',
+    },
+    'config-suite-b.h' => {
+        'compat' => "-m tls1_2 -f 'ECDHE-ECDSA.*AES.*GCM' -p mbedTLS",
+    },
+    'config-picocoin.h' => {
+    },
+    'config-ccm-psk-tls1_2.h' => {
+        'compat' => '-m tls1_2 -f \'^TLS-PSK-WITH-AES-...-CCM-8\'',
+    },
 );
 
 # If no config-name is provided, use all known configs.
@@ -46,7 +49,7 @@
     die $_[0];
 }
 
-while( my ($conf, $args) = each %configs ) {
+while( my ($conf, $data) = each %configs ) {
     system( "cp $config_h.bak $config_h" ) and die;
     system( "make clean" ) and die;
 
@@ -60,10 +63,11 @@
     system( "make" ) and abort "Failed to build: $conf\n";
     system( "make test" ) and abort "Failed test suite: $conf\n";
 
-    if( $args )
+    my $compat = $data->{'compat'};
+    if( $compat )
     {
-        print "\nrunning compat.sh $args\n";
-        system( "tests/compat.sh $args" )
+        print "\nrunning compat.sh $compat\n";
+        system( "tests/compat.sh $compat" )
             and abort "Failed compat.sh: $conf\n";
     }
     else