diff --git a/hdl/tb/core_tb.v b/hdl/tb/core_tb.v
index 45588bb..1000770 100644
--- a/hdl/tb/core_tb.v
+++ b/hdl/tb/core_tb.v
@@ -72,7 +72,7 @@ always #2 clk  = !clk;
 
 core dut(
     .clk(clk),
-    .reset(reset)
+    .reset(reset),
 
     .mem_inst_addr(mem_inst_addr),
     .mem_inst_data(mem_inst_data),