diff --git a/ec2config.yaml b/ec2config.yaml
index afa2645..4aa3e52 100644
--- a/ec2config.yaml
+++ b/ec2config.yaml
@@ -114,6 +114,9 @@ dataverse:
     version: 7.3.1
   srcdir: /tmp/dataverse
   thumbnails: true
+  unittests:
+    enabled: false
+    argument: '-DcompilerArgument=-Xlint:unchecked test -P all-unit-tests'
   usermgmtkey: burrito
   version: 4.16