diff --git a/src/render/formatted.zig b/src/render/formatted.zig
index c0f135c..66949cb 100644
--- a/src/render/formatted.zig
+++ b/src/render/formatted.zig
@@ -190,7 +190,7 @@ fn renderHourlyCell(w: *std.Io.Writer, hour: types.HourlyForecast, line: usize,
     const buffered = cell_writer.buffered();
     const display_width = art_width + buffered.len - counting_writer.invisible_bytes;
     try w.writeAll(buffered);
-    try w.splatByteAll(' ', @max(total_width - display_width, 0));
+    try w.splatByteAll(' ', @max(@as(isize, total_width) - @as(isize, @intCast(display_width)), 0));
 }
 
 const DateFormat = enum {