diff --git a/internal/iothread/cmd_meta.go b/internal/iothread/cmd_meta.go
index a72e56fd9..e3fe5a156 100644
--- a/internal/iothread/cmd_meta.go
+++ b/internal/iothread/cmd_meta.go
@@ -179,6 +179,7 @@ const (
 	CmdCommandDocs         = "COMMAND|DOCS"
 	CmdCommandGetKeys      = "COMMAND|GETKEYS"
 	CmdCommandGetKeysFlags = "COMMAND|GETKEYSANDFLAGS"
+	CmdJSONArrIndex        = "JSON.ARRINDEX"
 )
 
 // Multi-shard commands.
@@ -570,6 +571,9 @@ var CommandsMeta = map[string]CmdMeta{
 	CmdCommandGetKeysFlags: {
 		CmdType: SingleShard,
 	},
+	CmdJSONArrIndex: {
+		CmdType: SingleShard,
+	},
 
 	// Multi-shard commands.
 	CmdRename: {