diff --git a/opendap/src/test/java/opendap/test/TestMisc.java b/opendap/src/test/java/opendap/test/TestMisc.java
index 82e92bdf7b..40d9c40678 100644
--- a/opendap/src/test/java/opendap/test/TestMisc.java
+++ b/opendap/src/test/java/opendap/test/TestMisc.java
@@ -116,8 +116,8 @@ boolean process1(Testcase testcase) throws Exception {
   }
 
   boolean diff(Testcase testcase, String captured) throws Exception {
-    // don't match on port
-    captured = captured.replaceAll("localhost:\\d+", "localhost:8080");
+    // don't match on host and port
+    captured = captured.replaceAll("dods://.*:\\d+/", "dods://localhost:8080/");
 
     // See if the cdl is in a file or a string.
     if (System.getProperty("nodiff") != null)