diff --git a/app/app.go b/app/app.go
index f90cf43..31c2159 100644
--- a/app/app.go
+++ b/app/app.go
@@ -93,6 +93,8 @@ func GenerateRandomID() string {
 }
 
 func (app *application) CreateTaggedPeer(name string, password string, tag string) {
+	app.appmutex.Lock()
+	defer app.appmutex.Unlock()
 
 	profileDirectory := path.Join(app.directory, "profiles", GenerateRandomID())