diff --git a/build.xml b/build.xml
index dda28cab6..5d16f5747 100644
--- a/build.xml
+++ b/build.xml
@@ -988,6 +988,8 @@
                    unless="tests.and.ant.share.classloader" />
           <exclude name="${optional.package}/sos/SOSTest.java"
                    unless="tests.and.ant.share.classloader" />
+          <exclude name="${optional.package}/TraXLiaisonTest.java"
+                   unless="tests.and.ant.share.classloader" />
 
           <!-- failure of this test case kills the current JVM
           so until the defect is actually fixed it is taken
diff --git a/src/testcases/org/apache/tools/ant/taskdefs/optional/TraXLiaisonTest.java b/src/testcases/org/apache/tools/ant/taskdefs/optional/TraXLiaisonTest.java
index 3db5d7f15..0de6aec4a 100644
--- a/src/testcases/org/apache/tools/ant/taskdefs/optional/TraXLiaisonTest.java
+++ b/src/testcases/org/apache/tools/ant/taskdefs/optional/TraXLiaisonTest.java
@@ -120,8 +120,8 @@ public class TraXLiaisonTest extends AbstractXSLTLiaisonTest {
             file = new File("/user/local/bin");
         }
         String systemid = ((TraXLiaison)liaison).getSystemId(file);
-        assert("SystemIDs should start by file:///", systemid.startsWith("file:///"));
-        assert("SystemIDs should not start with file:////", !systemid.startsWith("file:////"));
+        assertTrue("SystemIDs should start by file:///", systemid.startsWith("file:///"));
+        assertTrue("SystemIDs should not start with file:////", !systemid.startsWith("file:////"));
     }
 
 }