Must specify harness when running any target.
diff --git a/.travis.yml b/.travis.yml
index 73cf3d0..48e04b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,5 +24,5 @@
 script:
   - export JDK10=$JAVA_HOME
   - jdk_switcher use oraclejdk8
-  - (cd cmdline; ant rat)
+  - (cd cmdline; ant -Dnbplatform.default.harness.dir=$HOME/netbeans/harness rat)
   - (cd cmdline; ant -Dnbplatform.default.harness.dir=$HOME/netbeans/harness -DNETBEANS_PLATFORM=$HOME/netbeans -DJDK10=$JDK10 build-and-test)