diff --git a/src/main/java/com/avaje/ebean/PrimaryServer.java b/src/main/java/com/avaje/ebean/PrimaryServer.java
index 967e53d53..21df767dc 100644
--- a/src/main/java/com/avaje/ebean/PrimaryServer.java
+++ b/src/main/java/com/avaje/ebean/PrimaryServer.java
@@ -71,6 +71,9 @@ class PrimaryServer {
         }
       }
     }
+    if (defaultServerName == null) {
+      defaultServerName = "db";
+    }
     return defaultServerName;
   }