diff --git a/hdl/tb/core_tb.v b/hdl/tb/core_tb.v
index 9960b74..da2bfed 100644
--- a/hdl/tb/core_tb.v
+++ b/hdl/tb/core_tb.v
@@ -83,7 +83,7 @@ initial begin
     mem_inst[84]    = {12'h987,          5'd7, 3'b000, 5'd7, OP_IMM};   // addi x7, x7, 0x987
     mem_inst[90]    = {20'h00032,                      5'd8, OP_AUIPC}; // auipc x8, 0x32           // 90*4 + 0x32000 = 0x32168
     // mem_inst[96]    = {12'd288,          5'd0, 3'b000, 5'd9, OP_JALR};  // jalr x9, x0, 72*4        // unconditional jump to index 72 = 288/4
-    mem_inst[102]   = {1'b0,10'd24,1'b0,8'b0,  3'b000, 5'd9, OP_JAL};   // jal x10, +24             // unconditional jump to index +12 = 24*2/4
+    mem_inst[102]   = {1'b0, 10'd12, 1'b0, 8'b0, 5'd9,       OP_JAL};   // jal x10, +12             // unconditional jump to index +12 = 24*2/4
     mem_inst[108]   = {12'd4,            5'd0, 3'b000, 5'd2, OP_IMM};   // addi x11, x0, 4          // this should be skipped
     mem_inst[114]   = {12'd5,            5'd0, 3'b000, 5'd2, OP_IMM};   // addi x12, x0, 5
     mem_inst[120]   = {12'd5,            5'd0, 3'b000, 5'd2, OP_IMM};   // addi x12, x12, 6