diff --git a/rtl/xbar_pe_wrap.sv b/rtl/xbar_pe_wrap.sv
index d17d3d6b..8e474b38 100644
--- a/rtl/xbar_pe_wrap.sv
+++ b/rtl/xbar_pe_wrap.sv
@@ -113,11 +113,13 @@ module xbar_pe_wrap
   XBAR_TCDM_BUS.Slave                  mperiph_slave[NB_MPERIPHS-1:0]
  );
 
+  logic cluster_alias;
 `ifdef CLUSTER_ALIAS
-   logic                               cluster_alias=1'b1;
+  assign cluster_alias = 1'b1;
 `else
-   logic                               cluster_alias=1'b0;
-`endif   
+  assign cluster_alias = 1'b0;
+`endif
+   
   localparam int unsigned PE_XBAR_N_INPS = NB_CORES + NB_MPERIPHS;
   localparam int unsigned PE_XBAR_N_OUPS = NB_SPERIPHS;
   typedef logic [ADDR_WIDTH-1:0]              pe_addr_t;