diff --git a/src/fmtByteCountIEC.zig b/src/fmtByteCountIEC.zig
index 84954a9147e060617721b403c17b6a006deae124..fa494cc8df5553af88d71f6994d50dc6abe5c769 100644
--- a/src/fmtByteCountIEC.zig
+++ b/src/fmtByteCountIEC.zig
@@ -3,13 +3,11 @@ const string = []const u8;
 const extras = @import("./lib.zig");
 const reduceNumber = extras.reduceNumber;
 
-pub fn fmtByteCountIEC(b: u64) std.fmt.Formatter(formatByteCountIEC) {
+pub fn fmtByteCountIEC(b: u64) std.fmt.Alt(u64, formatByteCountIEC) {
     return .{ .data = b };
 }
 
-fn formatByteCountIEC(bytes: u64, comptime fmt: []const u8, options: std.fmt.FormatOptions, writer: anytype) !void {
-    _ = fmt;
-    _ = options;
+fn formatByteCountIEC(bytes: u64, writer: *std.Io.Writer) !void {
     try reduceNumber(writer, bytes, 1024, "B", "KMGTPEZYRQ");
 }
 
diff --git a/src/sortBySlice.zig b/src/sortBySlice.zig
index 1f4bb5f33677a0e5f94e2d29ce7c5911083092b7..66049aac7f6fde1676afacd35ddc298d41839146 100644
--- a/src/sortBySlice.zig
+++ b/src/sortBySlice.zig
@@ -6,7 +6,7 @@ const lessThanSlice = extras.lessThanSlice;
 pub fn sortBySlice(comptime T: type, items: []T, comptime field: std.meta.FieldEnum(T)) void {
     std.mem.sort(T, items, {}, struct {
         fn f(_: void, lhs: T, rhs: T) bool {
-            return lessThanSlice(std.meta.FieldType(T, field))({}, @field(lhs, @tagName(field)), @field(rhs, @tagName(field)));
+            return lessThanSlice(@FieldType(T, @tagName(field)))({}, @field(lhs, @tagName(field)), @field(rhs, @tagName(field)));
         }
     }.f);
 }