diff --git a/src/util.zig b/src/util.zig
index 9ed819f..e8473e9 100644
--- a/src/util.zig
+++ b/src/util.zig
@@ -134,9 +134,8 @@ pub fn gen_qtable(q: f16, step_start_band: usize, step_stop_band: usize) @Vector
         for (0..band_len) |j| {
             if (band_i < step_start_band) {
                 ret[idx + j] = @floatFromInt(q_min);
-            }
-            if (band_i < band_range + step_start_band) {
-                ret[idx + j] = @floatFromInt(q_min + step * band_i);
+            } else if (band_i < band_range + step_start_band) {
+                ret[idx + j] = @floatFromInt(q_min + step * (band_i - step_start_band));
             } else {
                 ret[idx + j] = @floatFromInt(q_max);
             }