diff --git a/app/app.go b/app/app.go
index 734db56..92ae38a 100644
--- a/app/app.go
+++ b/app/app.go
@@ -282,13 +282,16 @@ func (app *application) ActivateEngines(doListen, doPeers, doServers bool) {
 func (app *application) ActivatePeerEngine(onion string, doListen, doPeers, doServers bool) {
 	profile := app.GetPeer(onion)
 	if profile != nil {
-		app.engines[profile.GetOnion()], _ = profile.GenerateProtocolEngine(app.acn, app.eventBuses[profile.GetOnion()])
-		app.eventBuses[profile.GetOnion()].Publish(event.NewEventList(event.ProtocolEngineCreated))
-		app.QueryACNStatus()
-		if doListen {
-			profile.Listen()
+		if _, exists := app.engines[onion]; !exists {
+			app.engines[profile.GetOnion()], _ = profile.GenerateProtocolEngine(app.acn, app.eventBuses[profile.GetOnion()])
+
+			app.eventBuses[profile.GetOnion()].Publish(event.NewEventList(event.ProtocolEngineCreated))
+			app.QueryACNStatus()
+			if doListen {
+				profile.Listen()
+			}
+			profile.StartConnections(doPeers, doServers)
 		}
-		profile.StartConnections(doPeers, doServers)
 	}
 }