diff --git a/lib/modules/SSL.pmod/testsuite.in b/lib/modules/SSL.pmod/testsuite.in
index 6beb153247d385b65d4c553125a06dde7df35e44..3e131240bfa633c84af1b5abb4eed93dc2e2f37c 100644
--- a/lib/modules/SSL.pmod/testsuite.in
+++ b/lib/modules/SSL.pmod/testsuite.in
@@ -573,7 +573,7 @@ test_do([[
 	  sprintf("Unexpected result:\n"
 		  "Got: %O\n"
 		  "Exp: %O\n",
-		  client_recv_buf, exp_data);
+		  client_recv_buf[..32], exp_data[..32]);
       }
     }
     client->close();