diff --git a/configs/example/gpufs/runfs.py b/configs/example/gpufs/runfs.py
index b045b801c6..5346622155 100644
--- a/configs/example/gpufs/runfs.py
+++ b/configs/example/gpufs/runfs.py
@@ -151,6 +151,13 @@ def addRunFSOptions(parser):
         help="Exit simulation after running this many kernels",
     )
 
+    parser.add_argument(
+        "--root-partition",
+        type=str,
+        default="/dev/sda1",
+        help="Root partition of disk image",
+    )
+
 
 def runGpuFSSystem(args):
     """
diff --git a/configs/example/gpufs/system/system.py b/configs/example/gpufs/system/system.py
index 263ffc0a43..40e0016014 100644
--- a/configs/example/gpufs/system/system.py
+++ b/configs/example/gpufs/system/system.py
@@ -50,7 +50,7 @@ def makeGpuFSSystem(args):
         "earlyprintk=ttyS0",
         "console=ttyS0,9600",
         "lpj=7999923",
-        "root=/dev/sda1",
+        f"root={args.root_partition}",
         "drm_kms_helper.fbdev_emulation=0",
         "modprobe.blacklist=amdgpu",
         "modprobe.blacklist=psmouse",