1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/AdmProtocolEncoder.java b/src/main/java/org/traccar/protocol/AdmProtocolEncoder.java
index 1c3dfc156..c02fa4112 100644
--- a/src/main/java/org/traccar/protocol/AdmProtocolEncoder.java
+++ b/src/main/java/org/traccar/protocol/AdmProtocolEncoder.java
@@ -34,7 +34,7 @@ public class AdmProtocolEncoder extends StringProtocolEncoder {
                 return formatCommand(command, "STATUS\r\n");
 
             case Command.TYPE_CUSTOM:
-                return formatCommand(command, "{%s}\r\n", Command.KEY_DATA);
+                return formatCommand(command, "%s\r\n", Command.KEY_DATA);
 
             default:
                 return null;