diff --git a/yaml/xyz/openbmc_project/Control/Power/Mode.interface.yaml b/yaml/xyz/openbmc_project/Control/Power/Mode.interface.yaml
index f3e835e..cb35501 100644
--- a/yaml/xyz/openbmc_project/Control/Power/Mode.interface.yaml
+++ b/yaml/xyz/openbmc_project/Control/Power/Mode.interface.yaml
@@ -8,6 +8,15 @@
           This property shall contain the computer system power mode setting.
           This defines the processor speed based on the priority of power
           consumption and performance.
+    - name: SafeMode
+      type: boolean
+      flags:
+          - readonly
+      default: false
+      description: >
+          This property shall indicate whether the System is in Safe Mode.
+          When this is true, the system power mode is not being used in the
+          system.
 
 enumerations:
     - name: PowerMode