diff --git a/nixos/modules/system/boot/loader/limine/limine-install.py b/nixos/modules/system/boot/loader/limine/limine-install.py
index 6991235539d8..1db63aa271aa 100644
--- a/nixos/modules/system/boot/loader/limine/limine-install.py
+++ b/nixos/modules/system/boot/loader/limine/limine-install.py
@@ -189,7 +189,7 @@ def find_mounted_device(path: str) -> str:
     while not os.path.ismount(path):
         path = os.path.dirname(path)
 
-    devices = [x for x in psutil.disk_partitions(all=True) if x.mountpoint == path]
+    devices = [x for x in psutil.disk_partitions() if x.mountpoint == path]
 
     assert len(devices) == 1
     return devices[0].device
@@ -399,11 +399,12 @@ def main():
 
         if config('forceMbr'):
             limine_deploy_args += '--force-mbr'
-            try:
-                subprocess.run(limine_deploy_args)
-            except:
-                raise Exception(
-                    'Failed to deploy BIOS stage 1 Limine bootloader!\n' +
-                    'You might want to try enabling the `boot.loader.limine.forceMbr` option.')
+
+        try:
+            subprocess.run(limine_deploy_args)
+        except:
+            raise Exception(
+                'Failed to deploy BIOS stage 1 Limine bootloader!\n' +
+                'You might want to try enabling the `boot.loader.limine.forceMbr` option.')
 
 main()