diff --git a/hdl/controllers/ram_wb_controller.v b/hdl/controllers/ram_wb_controller.v
index 610a8ad..dae0bc2 100644
--- a/hdl/controllers/ram_wb_controller.v
+++ b/hdl/controllers/ram_wb_controller.v
@@ -41,7 +41,7 @@ module ram_wb_controller #(parameter AW = 12) (
     input  [31:0] DO,
     output [31:0] DI,
     output [31:0] BEN,
-    output [AW-1:0] AD,
+    output [AW-3:0] AD,
     output EN,
     output R_WB,
     output CLKin
@@ -66,4 +66,4 @@ module ram_wb_controller #(parameter AW = 12) (
             wbs_ack_o <= 1'b0;
     end
 
-endmodule
\ No newline at end of file
+endmodule