diff --git a/contrib/completion/bash/docker b/contrib/completion/bash/docker
index 0375e6f95b..739d97b2d7 100644
--- a/contrib/completion/bash/docker
+++ b/contrib/completion/bash/docker
@@ -906,7 +906,7 @@ _docker_inspect() {
 
 	case "$cur" in
 		-*)
-			COMPREPLY=( $( compgen -W "--format -f --type --help" -- "$cur" ) )
+			COMPREPLY=( $( compgen -W "--format -f --help --size -s --type" -- "$cur" ) )
 			;;
 		*)
 			case $(__docker_value_of_option --type) in