diff --git a/zig-elf/main.zig b/zig-elf/main.zig
index 3b4e116bb1f22f7062cbd62bef4aa0e88475ed19..6ef4f8024b00b4c102f83a1ccb69b28529054c59 100644
--- a/zig-elf/main.zig
+++ b/zig-elf/main.zig
@@ -35,6 +35,9 @@     _ = try file.read(buffer[0..]);
 
     const header: *Elf64ExecutionHeader = @ptrCast(@alignCast(&buffer));
 
+    std.debug.print("sizeOf(Elf64ExecutionHeader) = {}\n", .{@sizeOf(Elf64ExecutionHeader)});
+    std.debug.print("bitSizeOf(Elf64ExecutionHeader) = {}\n", .{@bitSizeOf(Elf64ExecutionHeader)});
+
     std.debug.print("Object file type: {}\n", .{header.type});
     std.debug.print("Architecture: {}\n", .{header.machine});
     std.debug.print("Object file version: 0x{X:0>2}\n", .{header.version});