diff --git a/torchmetrics/functional/classification/ranking.py b/torchmetrics/functional/classification/ranking.py
index e6b67f2fc74..65834726a85 100644
--- a/torchmetrics/functional/classification/ranking.py
+++ b/torchmetrics/functional/classification/ranking.py
@@ -117,10 +117,10 @@ def _label_ranking_average_precision_update(
     n_preds, n_labels = neg_preds.shape
     for i in range(n_preds):
         relevant = target[i] == 1
-        ranking = _rank_data(neg_preds[i][relevant])
+        ranking = _rank_data(neg_preds[i][relevant]).float()
         if len(ranking) > 0 and len(ranking) < n_labels:
-            rank = _rank_data(neg_preds[i])[relevant]
-            score_idx = (ranking / rank).float().mean()
+            rank = _rank_data(neg_preds[i])[relevant].float()
+            score_idx = (ranking / rank).mean()
         else:
             score_idx = 1.0