diff --git a/tools/test_modules/m00050.pm b/tools/test_modules/m00050.pm
index 185f2266b..e4be12ec2 100644
--- a/tools/test_modules/m00050.pm
+++ b/tools/test_modules/m00050.pm
@@ -11,7 +11,7 @@ use warnings;
 use Digest::MD5  qw (md5);
 use Digest::HMAC qw (hmac hmac_hex);
 
-sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [0, 55]] }
+sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [-1, -1]] }
 
 sub module_generate_hash
 {
diff --git a/tools/test_modules/m00060.pm b/tools/test_modules/m00060.pm
index 6a5252e77..b873df2b6 100644
--- a/tools/test_modules/m00060.pm
+++ b/tools/test_modules/m00060.pm
@@ -11,7 +11,7 @@ use warnings;
 use Digest::MD5  qw (md5);
 use Digest::HMAC qw (hmac hmac_hex);
 
-sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [0, 55]] }
+sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [-1, -1]] }
 
 sub module_generate_hash
 {
diff --git a/tools/test_modules/m00150.pm b/tools/test_modules/m00150.pm
index 22c721382..26f5ee427 100644
--- a/tools/test_modules/m00150.pm
+++ b/tools/test_modules/m00150.pm
@@ -11,7 +11,7 @@ use warnings;
 use Digest::SHA1 qw (sha1);
 use Digest::HMAC qw (hmac hmac_hex);
 
-sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [0, 55]] }
+sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [-1, -1]] }
 
 sub module_generate_hash
 {
diff --git a/tools/test_modules/m00160.pm b/tools/test_modules/m00160.pm
index f73639eab..06c85cd84 100644
--- a/tools/test_modules/m00160.pm
+++ b/tools/test_modules/m00160.pm
@@ -11,7 +11,7 @@ use warnings;
 use Digest::SHA1 qw (sha1);
 use Digest::HMAC qw (hmac hmac_hex);
 
-sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [0, 55]] }
+sub module_constraints { [[0, 255], [0, 255], [0, 55], [0, 55], [-1, -1]] }
 
 sub module_generate_hash
 {