diff --git a/nix/home/xdg/xdg.nix b/nix/home/xdg/xdg.nix
index c54cbce..fba0f24 100644
--- a/nix/home/xdg/xdg.nix
+++ b/nix/home/xdg/xdg.nix
@@ -14,6 +14,7 @@
       "image/gif"             = [ "org.gnome.Loupe.desktop" ];
       "image/heic"            = [ "org.gnome.Loupe.desktop" ];
       "image/jpeg"            = [ "org.gnome.Loupe.desktop" ];
+      "image/png"             = [ "org.gnome.Loupe.desktop" ];
       "image/svg+xml"         = [ "org.gnome.Loupe.desktop" ];
       "image/webp"            = [ "org.gnome.Loupe.desktop" ];
       "image/x-icon"          = [ "org.gnome.Loupe.desktop" ];