diff --git a/cmd/argocd/commands/app.go b/cmd/argocd/commands/app.go
index d246ba6ee5952..28034fcfb284e 100644
--- a/cmd/argocd/commands/app.go
+++ b/cmd/argocd/commands/app.go
@@ -1817,6 +1817,7 @@ func NewApplicationSyncCommand(clientOpts *argocdclient.ClientOptions) *cobra.Co
 	command.Flags().BoolVar(&force, "force", false, "Use a force apply")
 	command.Flags().BoolVar(&replace, "replace", false, "Use a kubectl create/replace instead apply")
 	command.Flags().BoolVar(&serverSideApply, "server-side", false, "Use server-side apply while syncing the application")
+	command.Flags().BoolVar(&applyOutOfSyncOnly, "apply-out-of-sync-only", false, "Use out-of-sync apply that sync only out of sync resources")
 	command.Flags().BoolVar(&async, "async", false, "Do not wait for application to sync before continuing")
 	command.Flags().StringVar(&local, "local", "", "Path to a local directory. When this flag is present no git queries will be made")
 	command.Flags().StringVar(&localRepoRoot, "local-repo-root", "/", "Path to the repository root. Used together with --local allows setting the repository root")