diff --git a/src/terminal/Terminal.zig b/src/terminal/Terminal.zig
index d845974e9..90bd21f22 100644
--- a/src/terminal/Terminal.zig
+++ b/src/terminal/Terminal.zig
@@ -185,6 +185,10 @@ pub fn setAttribute(self: *Terminal, attr: sgr.Attribute) !void {
             };
         },
 
+        .@"256_fg" => |idx| self.cursor.pen.fg = color.default[idx],
+
+        .@"256_bg" => |idx| self.cursor.pen.bg = color.default[idx],
+
         else => return error.InvalidAttribute,
     }
 }