diff --git a/server/cmd_kv.go b/server/cmd_kv.go
index a6bdcbd..1c42cec 100644
--- a/server/cmd_kv.go
+++ b/server/cmd_kv.go
@@ -20,7 +20,7 @@ func getCommand(c *client) error {
 
 func setCommand(c *client) error {
 	args := c.args
-	if len(args) < 2 {
+	if len(args) != 2 {
 		return ErrCmdParams
 	}