diff --git a/command/push.go b/command/push.go
index 22a9296..c271304 100644
--- a/command/push.go
+++ b/command/push.go
@@ -29,7 +29,8 @@ func Push() cli.Command {
 			cli.StringFlag{Name: "url", Usage: "Override the Gotify URL"},
 			cli.BoolFlag{Name: "quiet,q", Usage: "Do not output anything (on success)"},
 			cli.StringFlag{Name: "contentType", Usage: "The content type of the message. See https://gotify.net/docs/msgextras#client-display"},
-			cli.StringFlag{Name: "clickUrl", Usage: "An URL to open upon clicking the notification. See https://gotify.net/docs/msgextras#client-notification"},
+			cli.StringFlag{Name: "clickUrl", Usage: "An URL to open upon clicking the notification. See https://gotify.net/docs/msgextras#clickurl"},
+			cli.StringFlag{Name: "bigImageUrl", Usage: "the URL of an image to display in the notification. See https://gotify.net/docs/msgextras#bigimageurl"},
 			cli.BoolFlag{Name: "disable-unescape-backslash", Usage: "Disable evaluating \\n and \\t (if set, \\n and \\t will be seen as a string)"},
 		},
 		Action: doPush,
@@ -50,6 +51,7 @@ func doPush(ctx *cli.Context) {
 	quiet := ctx.Bool("quiet")
 	contentType := ctx.String("contentType")
 	clickUrl := ctx.String("clickUrl")
+	bigImageUrl := ctx.String("bigImageUrl")
 
 	if token == "" {
 		if confErr != nil {
@@ -95,6 +97,16 @@ func doPush(ctx *cli.Context) {
 		}
 	}
 
+	if bigImageUrl != "" {
+        if _, clientNotification := msg.Extras["client::notification"]; clientNotification {
+			msg.Extras["client::notification"].(map[string]interface{})["bigImageUrl"] = bigImageUrl;
+		} else {
+			msg.Extras["client::notification"] = map[string]interface{}{
+				"bigImageUrl": bigImageUrl,
+			}
+		}
+	}
+
 	parsedURL, err := url.Parse(stringURL)
 	if err != nil {
 		utils.Exit1With("invalid url", stringURL)