diff --git a/contrib/completion/bash/docker b/contrib/completion/bash/docker
index 33ada275b1..d689935b35 100644
--- a/contrib/completion/bash/docker
+++ b/contrib/completion/bash/docker
@@ -3081,7 +3081,7 @@ _docker_service_update_and_create() {
 	"
 
 	local boolean_options="
-		--detach -d
+		--detach=false -d=false
 		--help
 		--no-healthcheck
 		--read-only