diff --git a/src/python/gem5/components/boards/kernel_disk_workload.py b/src/python/gem5/components/boards/kernel_disk_workload.py
index c8c6e58878..72b143e6ff 100644
--- a/src/python/gem5/components/boards/kernel_disk_workload.py
+++ b/src/python/gem5/components/boards/kernel_disk_workload.py
@@ -190,7 +190,7 @@ class KernelDiskWorkload:
             disk_device=(
                 self._disk_device
                 if self._disk_device
-                else self.get_default_disk_device()
+                else self.get_disk_device()
             ),
         )