diff --git a/main.go b/main.go
index 1507e584e..a4c3ef59c 100644
--- a/main.go
+++ b/main.go
@@ -19,6 +19,7 @@ package main
 import (
 	"flag"
 	"os"
+	"strings"
 
 	redisv1beta1 "github.com/OT-CONTAINER-KIT/redis-operator/api/v1beta1"
 	redisv1beta2 "github.com/OT-CONTAINER-KIT/redis-operator/api/v1beta2"
@@ -86,8 +87,13 @@ func main() {
 		LeaderElectionID:       "6cab913b.redis.opstreelabs.in",
 	}
 
-	if ns := os.Getenv("WATCH_NAMESPACE"); ns != "" {
-		options.Cache.DefaultNamespaces = map[string]cache.Config{ns: {}}
+	if namespaces := strings.TrimSpace(os.Getenv("WATCH_NAMESPACE")); namespaces != "" {
+		options.Cache.DefaultNamespaces = map[string]cache.Config{}
+		for _, ns := range strings.Split(namespaces, ",") {
+			if ns = strings.TrimSpace(ns); ns != "" {
+				options.Cache.DefaultNamespaces[ns] = cache.Config{}
+			}
+		}
 	}
 
 	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), options)