1 files changed, 1 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/RuptelaProtocolEncoder.java b/src/org/traccar/protocol/RuptelaProtocolEncoder.java
index c3b3a3619..0abfa18ce 100644
--- a/src/org/traccar/protocol/RuptelaProtocolEncoder.java
+++ b/src/org/traccar/protocol/RuptelaProtocolEncoder.java
@@ -43,7 +43,7 @@ public class RuptelaProtocolEncoder extends BaseProtocolEncoder {
 
         switch (command.getType()) {
             case Command.TYPE_CUSTOM:
-                return encodeContent((String) command.getAttributes().get(Command.KEY_DATA));
+                return encodeContent(command.getString(Command.KEY_DATA));
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;