1 files changed, 5 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/UlbotechProtocolDecoder.java b/src/org/traccar/protocol/UlbotechProtocolDecoder.java
index 48122a8f3..9ad590ad4 100644
--- a/src/org/traccar/protocol/UlbotechProtocolDecoder.java
+++ b/src/org/traccar/protocol/UlbotechProtocolDecoder.java
@@ -97,7 +97,11 @@ public class UlbotechProtocolDecoder extends BaseProtocolDecoder {
         }
 
         position.setExtendedInfo(extendedInfo.toString());
-        return position;
+        
+        if (position.getValid() != null) {
+            return position;
+        }
+        return null;
     }
 
 }