diff --git a/src_Core/Debug_Module/DM_System_Bus.bsv b/src_Core/Debug_Module/DM_System_Bus.bsv
index b04d252..e369cf8 100644
--- a/src_Core/Debug_Module/DM_System_Bus.bsv
+++ b/src_Core/Debug_Module/DM_System_Bus.bsv
@@ -342,6 +342,8 @@ module mkDM_System_Bus (DM_System_Bus_IFC);
 			       wuser: fabric_default_wuser_periph};
 	 axiShim.slave.w.put(wrd);
 
+	 rg_sb_state <= SB_WRITE_FINISH;
+
 	 if (verbosity != 0) begin
 	    $display ("    DM_System_Bus.fa_fabric_send_write_req:");
 	    $display ("    ", fshow (wra));
@@ -590,6 +592,7 @@ module mkDM_System_Bus (DM_System_Bus_IFC);
       let wrr <- get(axiShim.slave.b);
       if (wrr.bresp != OKAY)
 	 rg_sbcs_sberror <= DM_SBERROR_OTHER;
+      rg_sb_state <= SB_NOTBUSY;
    endrule
 
    // ================================================================