diff --git a/changelogs/fragments/hcloud_server_backup_window.yml b/changelogs/fragments/hcloud_server_backup_window.yml
new file mode 100644
index 0000000..5c129ce
--- /dev/null
+++ b/changelogs/fragments/hcloud_server_backup_window.yml
@@ -0,0 +1,3 @@
+bugfixes:
+  - hcloud_server - fix backup window was given out as "None" instead of null
+  - hcloud_server_info - fix backup window was given out as "None" instead of null
diff --git a/plugins/modules/hcloud_server.py b/plugins/modules/hcloud_server.py
index d606380..521f2f4 100644
--- a/plugins/modules/hcloud_server.py
+++ b/plugins/modules/hcloud_server.py
@@ -339,6 +339,7 @@ class AnsibleHcloudServer(Hcloud):
         ipv4_address = None if self.hcloud_server.public_net.ipv4 is None else to_native(
             self.hcloud_server.public_net.ipv4.ip)
         ipv6 = None if self.hcloud_server.public_net.ipv6 is None else to_native(self.hcloud_server.public_net.ipv6.ip)
+        backup_window = None if self.hcloud_server.backup_window is None else to_native(self.hcloud_server.backup_window)
         return {
             "id": to_native(self.hcloud_server.id),
             "name": to_native(self.hcloud_server.name),
@@ -350,7 +351,7 @@ class AnsibleHcloudServer(Hcloud):
             "location": to_native(self.hcloud_server.datacenter.location.name),
             "placement_group": placement_group,
             "rescue_enabled": self.hcloud_server.rescue_enabled,
-            "backup_window": to_native(self.hcloud_server.backup_window),
+            "backup_window": backup_window,
             "labels": self.hcloud_server.labels,
             "delete_protection": self.hcloud_server.protection["delete"],
             "rebuild_protection": self.hcloud_server.protection["rebuild"],
diff --git a/plugins/modules/hcloud_server_info.py b/plugins/modules/hcloud_server_info.py
index e656d35..6242b45 100644
--- a/plugins/modules/hcloud_server_info.py
+++ b/plugins/modules/hcloud_server_info.py
@@ -155,6 +155,7 @@ class AnsibleHcloudServerInfo(Hcloud):
                 placement_group = None if server.placement_group is None else to_native(server.placement_group.name)
                 ipv4_address = None if server.public_net.ipv4 is None else to_native(server.public_net.ipv4.ip)
                 ipv6 = None if server.public_net.ipv6 is None else to_native(server.public_net.ipv6.ip)
+                backup_window = None if server.backup_window is None else to_native(server.backup_window)
                 tmp.append({
                     "id": to_native(server.id),
                     "name": to_native(server.name),
@@ -166,7 +167,7 @@ class AnsibleHcloudServerInfo(Hcloud):
                     "location": to_native(server.datacenter.location.name),
                     "placement_group": placement_group,
                     "rescue_enabled": server.rescue_enabled,
-                    "backup_window": to_native(server.backup_window),
+                    "backup_window": backup_window,
                     "labels": server.labels,
                     "status": to_native(server.status),
                     "delete_protection": server.protection["delete"],