diff --git a/testbench/testbench.sv b/testbench/testbench.sv
index b2dda03ab..7c28ebfe6 100644
--- a/testbench/testbench.sv
+++ b/testbench/testbench.sv
@@ -564,7 +564,7 @@ module testbench;
   assign SPIIn = 1'b0;
 
   if(P.EXT_MEM_SUPPORTED) begin
-    ram_ahb #(.P(P), .BASE(P.EXT_MEM_BASE), .RANGE(P.EXT_MEM_RANGE))
+    ram_ahb #(.P(P), .RANGE(P.EXT_MEM_RANGE))
     ram (.HCLK, .HRESETn, .HADDR, .HWRITE, .HTRANS, .HWDATA, .HSELRam(HSELEXT),
       .HREADRam(HRDATAEXT), .HREADYRam(HREADYEXT), .HRESPRam(HRESPEXT), .HREADY, .HWSTRB);
   end else begin