diff --git a/classic.js b/classic.js
index 2d2bb30..e9c9288 100644
--- a/classic.js
+++ b/classic.js
@@ -280,7 +280,12 @@
       });
     }
     const seen = new Set();
-    return out.filter(c => (seen.has(c.hex) ? false : (seen.add(c.hex), true)));
+    return out.filter(c => {
+      const key = `${c.image || ''}|${c.hex}`;
+      if (seen.has(key)) return false;
+      seen.add(key);
+      return true;
+    });
   }
 
   // -------- tiny grid engine (Mithril) ----------