diff --git a/src/ascii.zig b/src/ascii.zig
index fd6558b..9bdb2f8 100644
--- a/src/ascii.zig
+++ b/src/ascii.zig
@@ -72,7 +72,7 @@ pub fn printAsciiAndModules(allocator: std.mem.Allocator, ascii_art_path: ?[]u8,
 
     var ascii_art_data: []const u8 = undefined;
     if (ascii_art_path) |ascii| {
-        const ascii_file = try std.fs.cwd().openFile(ascii, .{});
+        const ascii_file = try std.fs.cwd().openFile(ascii, .{ .mode = .read_only });
         defer ascii_file.close();
         const file_size = (try ascii_file.stat()).size;
         ascii_art_data = try utils.readFile(allocator, ascii_file, file_size);