diff --git a/appveyor.yml b/appveyor.yml
index 387db669d5231616393f27a27029ef7bc522d63a..3990c1b11a626116d2482b27add92c67a59cba14 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -34,5 +34,8 @@ build_script:
       - ps: pushd bindings/java
       - cmd: ant -q dist
       - ps: popd
+      - ps: pushd case-uco/java
+      - cmd: ant -q
+      - ps: popd
 
 test: off