diff --git a/src/test-harness/tests/complex.pm b/src/test-harness/tests/complex.pm
index 936dffe..15ad9b9 100644
--- a/src/test-harness/tests/complex.pm
+++ b/src/test-harness/tests/complex.pm
@@ -134,9 +134,9 @@ sub run() {
     twtools::logStatus("*** Beginning $description\n");
     printf("%-30s", "-- $description");
 
-    if ($^O eq "skyos") {
+    if ($^O eq "skyos" || $^O eq "gnu") {
         ++$twtools::twskippedtests;
-        print "SKIPPED; TODO: SkyOS has fewer expected changes here; refactor so we can test for correct values\n";
+        print "SKIPPED; TODO: OS has fewer expected changes here; refactor so we can test for correct values\n";
         return;
     }
 
diff --git a/src/test-harness/tests/readonly.pm b/src/test-harness/tests/readonly.pm
index d7ebaa8..cb3cafd 100644
--- a/src/test-harness/tests/readonly.pm
+++ b/src/test-harness/tests/readonly.pm
@@ -90,8 +90,13 @@ sub run() {
         ++$twtools::twskippedtests;
         print "SKIPPED; SkyOS doesn't support readonly files.\n";
         return;
+    } elseif ($^O eq "gnu") {
+        ++$twtools::twskippedtests;
+        print "SKIPPED; TODO: Hurd has fewer expected changes here; refactor so we can test for correct values\n";
+        return;
     }
 
+
     my $twpassed = 1;
 
     #########################################################