diff --git a/rtl/top/tinyriscv_soc_top.sv b/rtl/top/tinyriscv_soc_top.sv
index cb9ff0a..d158931 100644
--- a/rtl/top/tinyriscv_soc_top.sv
+++ b/rtl/top/tinyriscv_soc_top.sv
@@ -45,8 +45,8 @@ module tinyriscv_soc_top(
 `endif
 
     // masters
-    localparam int CoreD        = 0;
-    localparam int JtagHost     = 1;
+    localparam int JtagHost     = 0;
+    localparam int CoreD        = 1;
     localparam int CoreI        = 2;
 
     // slaves