diff --git a/wasm/channels.go b/wasm/channels.go
index 2b572baf0d87f68b57f50cb3a7a0c445ea7acf74..4236d37e57f4dd0f6a84357dee8fd2a27594c2d7 100644
--- a/wasm/channels.go
+++ b/wasm/channels.go
@@ -1226,8 +1226,8 @@ func (cm *ChannelsManager) SendInvite(_ js.Value, args []js.Value) any {
 		msg                  = args[2].String()
 		host                 = args[3].String()
 		maxUses              = args[4].Int()
-		leaseTimeMS          = int64(args[4].Int())
-		cmixParamsJSON       = utils.CopyBytesToGo(args[5])
+		leaseTimeMS          = int64(args[5].Int())
+		cmixParamsJSON       = utils.CopyBytesToGo(args[6])
 	)
 
 	// fixme: add pings to wasm