diff --git a/lib/axis/rtl/axis_ram_switch.v b/lib/axis/rtl/axis_ram_switch.v
index ac31dcca..56dc66a5 100644
--- a/lib/axis/rtl/axis_ram_switch.v
+++ b/lib/axis/rtl/axis_ram_switch.v
@@ -611,7 +611,9 @@ generate
         assign int_cmd_len[m*ADDR_WIDTH +: ADDR_WIDTH] = cmd_len_reg;
         assign int_cmd_id[m*CMD_ADDR_WIDTH +: CMD_ADDR_WIDTH] = cmd_id_reg;
         assign int_cmd_tkeep[m*KEEP_WIDTH +: KEEP_WIDTH] = cmd_tkeep_reg;
-        assign int_cmd_tid[m*S_ID_WIDTH +: S_ID_WIDTH_INT] = cmd_tid_reg;
+        if (ID_ENABLE && S_ID_WIDTH > 0) begin
+            assign int_cmd_tid[m*S_ID_WIDTH +: S_ID_WIDTH_INT] = cmd_tid_reg;
+        end
         assign int_cmd_tdest[m*S_DEST_WIDTH +: S_DEST_WIDTH] = cmd_tdest_reg;
         assign int_cmd_tuser[m*USER_WIDTH +: USER_WIDTH] = cmd_tuser_reg;
         assign int_cmd_valid[m*M_COUNT +: M_COUNT] = cmd_valid_reg;
@@ -910,11 +912,17 @@ generate
             assign port_cmd_status_ready[m] = int_cmd_status_ready[m*M_COUNT+n];
         end
 
+        (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
         reg [DATA_WIDTH-1:0] out_fifo_tdata[31:0];
+        (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
         reg [KEEP_WIDTH-1:0] out_fifo_tkeep[31:0];
+        (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
         reg out_fifo_tlast[31:0];
+        (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
         reg [M_ID_WIDTH-1:0] out_fifo_tid[31:0];
+        (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
         reg [M_DEST_WIDTH-1:0] out_fifo_tdest[31:0];
+        (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
         reg [USER_WIDTH-1:0] out_fifo_tuser[31:0];
 
         reg [5:0] out_fifo_data_wr_ptr_reg = 0;