diff --git a/components/cli/contrib/completion/bash/docker b/components/cli/contrib/completion/bash/docker
index 09e9130e13..52d6a71044 100644
--- a/components/cli/contrib/completion/bash/docker
+++ b/components/cli/contrib/completion/bash/docker
@@ -4323,7 +4323,7 @@ _docker_system_prune() {
 
 	case "$cur" in
 		-*)
-			COMPREPLY=( $( compgen -W "--all -a --force -f --filter --help" -- "$cur" ) )
+			COMPREPLY=( $( compgen -W "--all -a --force -f --filter --help --volumes" -- "$cur" ) )
 			;;
 	esac
 }