diff --git a/xyz/openbmc_project/VirtualMedia/MountPoint.interface.yaml b/xyz/openbmc_project/VirtualMedia/MountPoint.interface.yaml
index e21b3cf..2ef679e 100644
--- a/xyz/openbmc_project/VirtualMedia/MountPoint.interface.yaml
+++ b/xyz/openbmc_project/VirtualMedia/MountPoint.interface.yaml
@@ -71,3 +71,13 @@
         - const
       errors:
           - xyz.openbmc_project.Common.Error.InternalFailure
+
+    - name: WriteProtected
+      type: boolean
+      description: >
+            Mounting mode, 'True' if the image is read only,
+            'False' otherwise.
+      flags:
+        - const
+      errors:
+          - xyz.openbmc_project.Common.Error.InternalFailure