diff --git a/lib/cuckoo/common/web_utils.py b/lib/cuckoo/common/web_utils.py
index a8ab2cd0961..cccebf212be 100644
--- a/lib/cuckoo/common/web_utils.py
+++ b/lib/cuckoo/common/web_utils.py
@@ -1535,10 +1535,10 @@ def parse_request_arguments(request, keyword="POST"):
     tags = getattr(request, keyword).get("tags")
     custom = getattr(request, keyword).get("custom", "")
     memory = force_bool(getattr(request, keyword).get("memory", False))
-    clock = getattr(request, keyword).get("clock", datetime.now().strftime("%m-%d-%Y %H:%M:%S"))
+    clock = getattr(request, keyword).get("clock", "")
     if not clock:
-        clock = datetime.now().strftime("%m-%d-%Y %H:%M:%S")
-    if "1970" in clock:
+        clock = datetime.utcfromtimestamp(0)
+    elif "1970" in clock:
         clock = datetime.now().strftime("%m-%d-%Y %H:%M:%S")
     enforce_timeout = force_bool(getattr(request, keyword).get("enforce_timeout", False))
     unique = force_bool(getattr(request, keyword).get("unique", False))
diff --git a/modules/machinery/gcp.py b/modules/machinery/gcp.py
index 9655e14e38f..9680aa53228 100644
--- a/modules/machinery/gcp.py
+++ b/modules/machinery/gcp.py
@@ -189,11 +189,12 @@ def _restore(self, label, snapshot):
                 self._wait_and_check_operation(operation, label, "unable to detach disk")
 
                 # Delete old disk
-                log.debug("Deleting disk %s", old_disk.device_name)
+                disk_name = old_disk.source.split("/")[-1]
+                log.debug("Deleting disk %s", disk_name)
                 request = compute_v1.DeleteDiskRequest(
                         project=self.project,
                         zone=self.zone,
-                        disk=old_disk.device_name
+                        disk=disk_name
                 )
                 operation = self.disks_client.delete(request=request)
                 self._wait_and_check_operation(operation, label, "unable to delete disk")