diff --git a/design/nexys_a7_top.sv b/design/nexys_a7_top.sv
index b1e70c1..647708c 100644
--- a/design/nexys_a7_top.sv
+++ b/design/nexys_a7_top.sv
@@ -22,9 +22,9 @@ for (genvar i = 0; i<8; i++) begin: segmentGenerate
     assign {CG[i],CF[i],CE[i],CD[i],CC[i],CB[i],CA[i]} = segments[i];
 end
 
-logic [$clog2(60):0] seconds;
-logic [$clog2(60):0] minutes;
-logic [$clog2(60):0] hours;
+logic [$clog2(60)-1:0] seconds;
+logic [$clog2(60)-1:0] minutes;
+logic [$clog2(60)-1:0] hours;
 
 low_freq_clock_gen clockGen(CLK100MHZ, reset, speed, clk_1khz, clk_10hz, seconds_pulse);