diff --git a/cmd/zenity/main.go b/cmd/zenity/main.go
index ec5b5a2..8008832 100644
--- a/cmd/zenity/main.go
+++ b/cmd/zenity/main.go
@@ -403,6 +403,10 @@ func loadFlags() []zenity.Option {
 		opts = append(opts, zenity.DefaultCancel())
 	}
 
+	if notification {
+		icon = windowIcon
+	}
+
 	switch icon {
 	case "error", "dialog-error":
 		opts = append(opts, zenity.ErrorIcon)
diff --git a/msg_unix.go b/msg_unix.go
index c8817e4..eb86aaf 100644
--- a/msg_unix.go
+++ b/msg_unix.go
@@ -43,6 +43,9 @@ func message(kind messageKind, text string, opts options) error {
 	case NoIcon:
 		args = append(args, "--icon-name=")
 	}
+	if i, ok := opts.icon.(string); ok {
+		args = append(args, "--icon-name", i)
+	}
 
 	out, err := zenutil.Run(opts.ctx, args)
 	_, err = strResult(opts, out, err)
diff --git a/notify_unix.go b/notify_unix.go
index fd1c4cc..c31c095 100644
--- a/notify_unix.go
+++ b/notify_unix.go
@@ -19,7 +19,10 @@ func notify(text string, opts options) error {
 	case PasswordIcon:
 		args = append(args, "--window-icon=dialog-password")
 	case NoIcon:
-		args = append(args, "--window-icon=dialog")
+		args = append(args, "--window-icon=")
+	}
+	if i, ok := opts.icon.(string); ok {
+		args = append(args, "--window-icon", i)
 	}
 
 	_, err := zenutil.Run(opts.ctx, args)
diff --git a/notify_windows.go b/notify_windows.go
index c335943..1b4003d 100644
--- a/notify_windows.go
+++ b/notify_windows.go
@@ -42,8 +42,6 @@ func notify(text string, opts options) error {
 		args.InfoFlags |= 0x2 // NIIF_WARNING
 	case ErrorIcon:
 		args.InfoFlags |= 0x3 // NIIF_ERROR
-	case NoIcon:
-		//
 	default:
 		icon := getIcon(opts.icon)
 		if icon.handle != 0 {
diff --git a/util_unix.go b/util_unix.go
index a9e6271..ca66265 100644
--- a/util_unix.go
+++ b/util_unix.go
@@ -42,9 +42,6 @@ func appendWidthHeight(args []string, opts options) []string {
 }
 
 func appendWindowIcon(args []string, opts options) []string {
-	if i, ok := opts.windowIcon.(string); ok {
-		args = append(args, "--window-icon", i)
-	}
 	switch opts.windowIcon {
 	case ErrorIcon:
 		args = append(args, "--window-icon=error")
@@ -55,6 +52,9 @@ func appendWindowIcon(args []string, opts options) []string {
 	case QuestionIcon:
 		args = append(args, "--window-icon=question")
 	}
+	if i, ok := opts.windowIcon.(string); ok {
+		args = append(args, "--window-icon", i)
+	}
 	return args
 }