1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index d942edbfe..ee28a5062 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -814,7 +814,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
             getLastLocation(position, null);
 
             if (subType == 0x00) {
-                position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
+                position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() * 0.01);
                 return position;
             } else if (subType == 0x05) {
                 int flags = buf.readUnsignedByte();