diff --git a/src/peakrdl_regblock/cpuif/axi4lite/axi4lite_tmpl.sv b/src/peakrdl_regblock/cpuif/axi4lite/axi4lite_tmpl.sv
index 5b68c19..c7e5755 100644
--- a/src/peakrdl_regblock/cpuif/axi4lite/axi4lite_tmpl.sv
+++ b/src/peakrdl_regblock/cpuif/axi4lite/axi4lite_tmpl.sv
@@ -8,7 +8,7 @@ logic axil_awvalid;
 logic [{{cpuif.addr_width-1}}:0] axil_awaddr;
 logic axil_wvalid;
 logic [{{cpuif.data_width-1}}:0] axil_wdata;
-logic [{{cpuif.data_width-1}}:0] axil_wstrb;
+logic [{{cpuif.data_width_bytes-1}}:0] axil_wstrb;
 logic axil_aw_accept;
 logic axil_resp_acked;