diff --git a/damus/Views/NoteContentView.swift b/damus/Views/NoteContentView.swift
index e1038077..81b12467 100644
--- a/damus/Views/NoteContentView.swift
+++ b/damus/Views/NoteContentView.swift
@@ -54,7 +54,7 @@ func render_note_content(ev: NostrEvent, profiles: Profiles, privkey: String?) -
 
 func is_image_url(_ url: URL) -> Bool {
     let str = url.lastPathComponent
-    return str.hasSuffix("png") || str.hasSuffix("jpg") || str.hasSuffix("jpeg") || str.hasSuffix("gif")
+    return str.lowercased().hasSuffix("png") || str.lowercased().hasSuffix("jpg") || str.lowercased().hasSuffix("jpeg") || str.lowercased().hasSuffix("gif")
 }
 
 struct NoteContentView: View {