diff --git a/_web_server/server/top_iverilog.sv b/_web_server/server/top_iverilog.sv
index 8194dde..00803c2 100644
--- a/_web_server/server/top_iverilog.sv
+++ b/_web_server/server/top_iverilog.sv
@@ -7,5 +7,6 @@ module __@TOPMODULE@__;
     initial begin
         $dumpfile("@WORKDIR@/@TOPMODULE@.vcd");
         $dumpvars(0, @TOPMODULE@);
+        $dumplimit(100000);
     end
 endmodule