1 files changed, 8 insertions, 4 deletions
diff --git a/pkg/server/cmds.go b/pkg/server/cmds.go
index e383dac..6eabbde 100644
--- a/pkg/server/cmds.go
+++ b/pkg/server/cmds.go
@@ -26,10 +26,15 @@ func newNode() *node {
 	return &node{m: map[string]*node{}}
 }
 
-func newCmd(f func (r *request), path ...string) {
+func newCmd(f func (r *request), where string) {
+	path := strings.Split(where, " ")
 	node := cmds
 
 	for _, name := range path {
+		if name == "" {
+			panic("invalid command path")
+		}
+
 		v := node.m[name]
 		if v == nil {
 			v = newNode()
@@ -40,12 +45,11 @@ func newCmd(f func (r *request), path ...string) {
 	}
 
 	if node.c != nil {
-		s := strings.Join(path, " ")
-		log.Panicf("handler already registered at '%s'", s)
+		log.Panicf("handler already registered at '%s'", where)
 	}
 
 	node.c = &cmd{
-		name: strings.Join(path, " "),
+		name: where,
 		f: f,
 	}
 }