diff --git a/internal/display/statusline.go b/internal/display/statusline.go
index c139c8c6..c55be988 100644
--- a/internal/display/statusline.go
+++ b/internal/display/statusline.go
@@ -47,6 +47,9 @@ var statusInfo = map[string]func(*buffer.Buffer) string{
 		if b.Modified() {
 			return "+ "
 		}
+		if b.Type.Readonly {
+			return "[ro] "
+		}
 		return ""
 	},
 }