diff --git a/plugins/Pinboard/Controller/APIv1.php b/plugins/Pinboard/Controller/APIv1.php
index 90e663f965..bd909d494e 100644
--- a/plugins/Pinboard/Controller/APIv1.php
+++ b/plugins/Pinboard/Controller/APIv1.php
@@ -393,21 +393,26 @@ class APIv1 extends Controller
             $user = $check;
         }
 
-        $tags_freq = [];
+        // Convert the list of all tags to a map from canon to
+        // variations (i.e. tags that canonicalize to the same)
+        $canon_to_variations = [];
         foreach ($user->getActor()->getNoteTags(Pin::note_type) as $tag) {
-            if (!isset($tags_freq[$tag->getCanonical()])) {
-                $tags_freq[$tag->getCanonical()] = [];
+            if (!isset($canon_to_variations[$tag->getCanonical()])) {
+                $canon_to_variations[$tag->getCanonical()] = [];
             }
-            $tags_freq[$tag->getCanonical()][] = $tag->getTag();
+            $canon_to_variations[$tag->getCanonical()][] = $tag->getTag();
         }
 
-        foreach ($tags_freq as $canon => $variations) {
+        // Pick the most common variation and assign to it the count
+        // of all the variations of each canon tag
+        $most_common_variant_frequencies = [];
+        foreach ($canon_to_variations as $variations) {
             $freqs = array_count_values($variations);
             arsort($freqs);
-            $tags_freq[$canon] = $freqs[array_key_first($freqs)];
+            $most_common_variant_frequencies[array_key_first($freqs)] = \count($variations);
         }
 
-        return self::respond($tags_freq);
+        return self::respond($most_common_variant_frequencies);
     }
 
     public function unimplmented(Request $request)