diff --git a/hw/ip/keymgr/dv/tb.sv b/hw/ip/keymgr/dv/tb.sv
index 63c068c..c1765e4 100644
--- a/hw/ip/keymgr/dv/tb.sv
+++ b/hw/ip/keymgr/dv/tb.sv
@@ -90,4 +90,15 @@
     run_test();
   end
 
+  // TODO (#9324): Disable h_data stability assertion when keymgr is in disabled state.
+  initial begin
+    forever @tb.dut.u_ctrl.state_q begin
+      if (tb.dut.u_ctrl.state_q == 10'b1010101000) begin // StCtrlDisabled
+        $assertoff(0, tb.keymgr_kmac_intf.req_data_if.H_DataStableWhenValidAndNotReady_A);
+      end else begin
+        $asserton(0, tb.keymgr_kmac_intf.req_data_if.H_DataStableWhenValidAndNotReady_A);
+      end
+    end
+  end
+
 endmodule