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-rw-r--r--src/org/traccar/BaseProtocol.java5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/org/traccar/BaseProtocol.java b/src/org/traccar/BaseProtocol.java
index 4a3e63db4..eb09022f5 100644
--- a/src/org/traccar/BaseProtocol.java
+++ b/src/org/traccar/BaseProtocol.java
@@ -33,7 +33,6 @@ public abstract class BaseProtocol implements Protocol {
public BaseProtocol(String name) {
this.name = name;
- supportedCommands.add(Command.TYPE_CUSTOM);
}
@Override
@@ -47,7 +46,9 @@ public abstract class BaseProtocol implements Protocol {
@Override
public Collection<String> getSupportedCommands() {
- return supportedCommands;
+ Set<String> commands = new HashSet<>(supportedCommands);
+ commands.add(Command.TYPE_CUSTOM);
+ return commands;
}
@Override