diff --git a/plugins/scheduler-k3s/src/triggers/triggers.go b/plugins/scheduler-k3s/src/triggers/triggers.go
index ed701b317..4e99e14d8 100644
--- a/plugins/scheduler-k3s/src/triggers/triggers.go
+++ b/plugins/scheduler-k3s/src/triggers/triggers.go
@@ -38,8 +38,7 @@ func main() {
 	case "post-registry-login":
 		server := flag.Arg(0)
 		username := flag.Arg(1)
-		password := flag.Arg(2)
-		err = scheduler_k3s.TriggerPostRegistryLogin(server, username, password)
+		err = scheduler_k3s.TriggerPostRegistryLogin(server, username)
 	case "report":
 		appName := flag.Arg(0)
 		err = scheduler_k3s.ReportSingleApp(appName, "", "")
diff --git a/plugins/scheduler-k3s/triggers.go b/plugins/scheduler-k3s/triggers.go
index aec94eec7..6f902f0e2 100644
--- a/plugins/scheduler-k3s/triggers.go
+++ b/plugins/scheduler-k3s/triggers.go
@@ -79,11 +79,13 @@ func TriggerPostDelete(appName string) error {
 
 // TriggerPostRegistryLogin updates the `/etc/rancher/k3s/registries.yaml` to include
 // auth information for the registry. Note that if the file does not exist, it won't be updated.
-func TriggerPostRegistryLogin(server string, username string, password string) error {
+func TriggerPostRegistryLogin(server string, username string) error {
 	if !common.FileExists("/usr/local/bin/k3s") {
 		return nil
 	}
 
+	password := os.Getenv("DOCKER_REGISTRY_PASS")
+
 	registry := registries.Registry{}
 	yamlFile, err := os.ReadFile(RegistryConfigPath)
 	if err != nil {