diff --git a/system/thunar.nix b/system/thunar.nix
index e3af8e7..5a14448 100644
--- a/system/thunar.nix
+++ b/system/thunar.nix
@@ -10,4 +10,19 @@
   services.gvfs.enable = true;
   # Thumbnail support for images
   services.tumbler.enable = true;
+
+  environment.systemPackages = [
+    (
+      pkgs.writeTextFile {
+        name = "thumbs";
+        text = ''
+          [Thumbnailer Entry]
+          TryExec=unzip
+          Exec=sh -c "${pkgs.unzip}/bin/unzip -p %i preview.png > %o"
+          MimeType=application/x-krita;
+        '';
+        destination = "/share/thumbnailers/kra.thumbnailer";
+      }
+    )
+  ];
 }