diff --git a/storages/tests/test_upload_job.py b/storages/tests/test_upload_job.py
index a589aad9..3cc2314d 100644
--- a/storages/tests/test_upload_job.py
+++ b/storages/tests/test_upload_job.py
@@ -644,6 +644,13 @@ class UploadViewTests(LocalPool, UploadTestCase):
         response = self.post()
         self.assertEqual((response.status_code, response.json()["error"]), (400, "ISO image already exists"))
 
+    def test_an_unexpected_failure_is_logged(self):
+        with patch("storages.views.write_chunk", side_effect=OSError("disk gone")), \
+             self.assertLogs("storages.views", "ERROR") as logs:
+            response = self.post()
+        self.assertEqual((response.status_code, response.json()["error"]), (500, "disk gone"))
+        self.assertIn("OSError: disk gone", logs.output[0])
+
     def test_a_busy_session_is_retried(self):
         self.post(0, total=2, size="6")
         claims.admit({f"upload:{self.job().pk}": Claim.EXCLUSIVE}, holder="192.0.2.30:1:1")
diff --git a/storages/views.py b/storages/views.py
index cf9a69e9..210faf94 100644
--- a/storages/views.py
+++ b/storages/views.py
@@ -1,3 +1,5 @@
+import logging
+
 from admin.decorators import superuser_only
 from appsettings.settings import app_settings
 from computes.models import Compute
@@ -49,6 +51,7 @@ def _handle_iso_upload(request, conn, compute, pool):
     except (ValueError, jobs.SubmissionConflict, OperationError) as e:
         return JsonResponse({"error": str(e)}, status=400)
     except Exception as e:
+        logging.getLogger(__name__).exception("ISO upload chunk failed")
         return JsonResponse({"error": str(e)}, status=500)
     return JsonResponse({"success": True, "job": str(op.pk)})