diff --git a/configuration_flags.go b/configuration_flags.go
index c180f2f..552dc40 100644
--- a/configuration_flags.go
+++ b/configuration_flags.go
@@ -115,6 +115,8 @@ type Configuration struct {
 	StartSubCLICommandRequestNOSEQ flagNodeSlice
 	// Subscriber for CLICommandReply
 	StartSubCLICommandReply flagNodeSlice
+	// Subscriber for OpCommand
+	StartSubOpCommand flagNodeSlice
 }
 
 func NewConfiguration() *Configuration {
@@ -143,6 +145,7 @@ func newConfigurationDefaults() Configuration {
 		StartSubCLICommandRequest:      flagNodeSlice{OK: true, Values: []node{"*"}},
 		StartSubCLICommandRequestNOSEQ: flagNodeSlice{OK: true, Values: []node{"*"}},
 		StartSubCLICommandReply:        flagNodeSlice{OK: true, Values: []node{"*"}},
+		StartSubOpCommand:              flagNodeSlice{OK: true, Values: []node{"*"}},
 	}
 	return c
 }
@@ -183,6 +186,7 @@ func (c *Configuration) CheckFlags() error {
 	flag.Var(&c.StartSubCLICommandRequest, "startSubCLICommandRequest", "Specify comma separated list for nodes to allow messages from. Use \"*\" for from all. Value RST will turn off subscriber.")
 	flag.Var(&c.StartSubCLICommandRequestNOSEQ, "startSubCLICommandRequestNOSEQ", "Specify comma separated list for nodes to allow messages from. Use \"*\" for from all. Value RST will turn off subscriber.")
 	flag.Var(&c.StartSubCLICommandReply, "startSubCLICommandReply", "Specify comma separated list for nodes to allow messages from. Use \"*\" for from all. Value RST will turn off subscriber.")
+	flag.Var(&c.StartSubOpCommand, "startSubOpCommand", "Specify comma separated list for nodes to allow messages from. Use \"*\" for from all. Value RST will turn off subscriber.")
 
 	flag.Parse()
 
diff --git a/etc/config.toml b/etc/config.toml
index a75da08..8295e4a 100644
--- a/etc/config.toml
+++ b/etc/config.toml
@@ -37,6 +37,10 @@ SubscribersDataFolder = "./data"
   OK = true
   Values = ["*"]
 
+[StartSubOpCommand]
+  OK = false
+  Values = []
+
 [StartSubSayHello]
   OK = true
   Values = ["*"]
diff --git a/startup_processes.go b/startup_processes.go
index 8c47fbf..d3faa99 100644
--- a/startup_processes.go
+++ b/startup_processes.go
@@ -13,11 +13,13 @@ func (s *server) ProcessesStart() {
 	// --- Subscriber services that can be started via flags
 
 	// Start a subscriber for OPCommand messages
-	{
-		fmt.Printf("Starting OpCommand subscriber: %#v\n", s.nodeName)
-		sub := newSubject(OpCommand, CommandACK, s.nodeName)
-		proc := newProcess(s.processes, s.toRingbufferCh, s.configuration, sub, s.errorKernel.errorCh, processKindSubscriber, []node{"*"}, nil)
-		go proc.spawnWorker(s)
+	if s.configuration.StartSubOpCommand.OK {
+		{
+			fmt.Printf("Starting OpCommand subscriber: %#v\n", s.nodeName)
+			sub := newSubject(OpCommand, CommandACK, s.nodeName)
+			proc := newProcess(s.processes, s.toRingbufferCh, s.configuration, sub, s.errorKernel.errorCh, processKindSubscriber, s.configuration.StartSubOpCommand.Values, nil)
+			go proc.spawnWorker(s)
+		}
 	}
 
 	// Start a subscriber for CLICommand messages