diff --git a/hsarback/src/de/hsadmin/remote/PacRemote.java b/hsarback/src/de/hsadmin/remote/PacRemote.java
index 8aacf39..8c11791 100644
--- a/hsarback/src/de/hsadmin/remote/PacRemote.java
+++ b/hsarback/src/de/hsadmin/remote/PacRemote.java
@@ -23,7 +23,10 @@ public class PacRemote extends AbstractRemote {
 		Pac pac = (Pac) entity;
 		resultMap.put("name", pac.getName());
 		resultMap.put("id", Long.toString(pac.getId()));
-		resultMap.put("hive", pac.getHiveName());
+		final String hiveName = pac.getHiveName();
+		if (hiveName != null && !hiveName.isEmpty()) {
+			resultMap.put("hive", hiveName);
+		}
 		resultMap.put("customer", pac.getCustomer().getName());
 		resultMap.put("curinetaddr", pac.getCurINetAddr().getInet4Addr());
 		resultMap.put("created", TextUtil.format(pac.getCreated()));