diff --git a/server.go b/server.go
index bb3b1ec..ed8d039 100644
--- a/server.go
+++ b/server.go
@@ -133,12 +133,12 @@ func (s *Server) RunWorker() {
 
 				// Client sent a command
 				fields := strings.Fields(string(line))
-				if len(fields) < 2 {
+				if len(fields) == 0 {
 					return
 				}
 
 				if strings.HasPrefix(fields[0], ":") {
-					fields = fields[1:]
+					fields[0] = fields[0][1:]
 				}
 
 				s.handleCommand(strings.ToUpper(fields[0]), fields[1:])