diff --git a/lib/compiler/Maker/Fetch.zig b/lib/compiler/Maker/Fetch.zig
index 13a6cd08c00b72fbf9493ff5acea1631d2542d6a..f18071ad6ef100b58cc4952b4b603e3105898868 100644
--- a/lib/compiler/Maker/Fetch.zig
+++ b/lib/compiler/Maker/Fetch.zig
@@ -1306,15 +1306,15 @@ fn initResource(f: *Fetch, uri: std.Uri, resource: *Resource, reader_buffer: []u
             return error.FetchFailed;
         }
 
-        var want_oid_buf: [git.Oid.max_formatted_length]u8 = undefined;
-        _ = std.fmt.bufPrint(&want_oid_buf, "{f}", .{want_oid}) catch unreachable;
+        var want_oid_hex_buf: [git.Oid.max_formatted_length]u8 = undefined;
+        const want_oid_hex = std.mem.print(&want_oid_hex_buf, "{f}", .{want_oid}) catch unreachable;
         resource.* = .{ .git = .{
             .session = session,
             .fetch_stream = undefined,
             .want_oid = want_oid,
         } };
         const fetch_stream = &resource.git.fetch_stream;
-        session.fetch(fetch_stream, &.{&want_oid_buf}, reader_buffer) catch |err| {
+        session.fetch(fetch_stream, &.{want_oid_hex}, reader_buffer) catch |err| {
             return f.fail(f.location_tok, try eb.printString("unable to create fetch stream: {t}", .{err}));
         };
         errdefer fetch_stream.deinit(fetch_stream);