diff --git a/test.py b/test.py
index 4f70d297..d85c5162 100644
--- a/test.py
+++ b/test.py
@@ -133,18 +133,29 @@ def test(
             stats.append((correct, pred[:, 4].cpu(), pred[:, 6].cpu(), tcls))
 
     # Compute statistics
-    stats_np = [np.concatenate(x, 0) for x in list(zip(*stats))]
-    nt = np.bincount(stats_np[3].astype(np.int64), minlength=nc)  # number of targets per class
-    if len(stats_np):
-        p, r, ap, f1, ap_class = ap_per_class(*stats_np)
+    stats = [np.concatenate(x, 0) for x in list(zip(*stats))]  # to numpy
+    nt = np.bincount(stats[3].astype(np.int64), minlength=nc)  # number of targets per class
+    if len(stats):
+        p, r, ap, f1, ap_class = ap_per_class(*stats)
         mp, mr, map, mf1 = p.mean(), r.mean(), ap.mean(), f1.mean()
 
+        if any(r > 1):
+            chkpt = {'epoch': -1,
+                     'best_loss': None,
+                     'model': model.module.state_dict() if type(
+                         model) is nn.parallel.DistributedDataParallel else model.state_dict(),
+                     'optimizer': None}
+
+            # Save problem checkpoint
+            torch.save(chkpt, 'recall_issue.pt')
+            del chkpt
+
     # Print results
     pf = '%20s' + '%10.3g' * 6  # print format
     print(pf % ('all', seen, nt.sum(), mp, mr, map, mf1), end='\n\n')
 
     # Print results per class
-    if nc > 1 and len(stats_np):
+    if nc > 1 and len(stats):
         for i, c in enumerate(ap_class):
             print(pf % (names[c], seen, nt[c], p[i], r[i], ap[i], f1[i]))