diff --git a/index.html b/index.html
index d3c815c..d677e3d 100644
--- a/index.html
+++ b/index.html
@@ -846,10 +846,7 @@ const Utils = {
   },
 
   getCategory(tag) {
-    const ref = (tag.ref || "").toLowerCase();
-    for (const cat of Object.keys(CONFIG.CATEGORIES)) {
-      if (ref.startsWith(cat)) return cat;
-    }
+    // Category is determined by the current base being viewed
     return State.get("base");
   },