diff --git a/Makefile b/Makefile
index 2b1d4d8..87d697f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,12 +2,9 @@ GITEPOCH=$(shell git log -1 --format="%at")
 TODAY=$(shell date +%Y.%m.%d -d @${GITEPOCH})
 DIST=zootdeck-linux-`uname -i`-${TODAY}
 
-build: ragel/lang.c
+build:
 	zig build -freference-trace
 
-ragel/lang.c: ragel/lang.c.rl
-	ragel -o ragel/lang.c ragel/lang.c.rl
-
 format:
 	zig fmt src
 
diff --git a/build.zig b/build.zig
index b33661d..e599abe 100644
--- a/build.zig
+++ b/build.zig
@@ -20,16 +20,20 @@ pub fn build(b: *std.Build) void {
     // running `zig build`).
     // b.installArtifact(lib);
 
+    const gen_ragel = b.addSystemCommand(&.{ "ragel", "-o", "ragel/lang.c", "ragel/lang.c.rl" });
+
     const exe = b.addExecutable(.{
         .name = "zootdeck",
-        .root_source_file = .{ .src_path = .{ .sub_path = "src/main.zig", .owner = b } },
+        .root_source_file = b.path("src/main.zig"),
         .target = target,
         .optimize = optimize,
     });
     exe.linkLibC();
-    exe.addIncludePath(.{ .cwd_relative = "." });
+    exe.addIncludePath(b.path("."));
+    exe.linkSystemLibrary("curl");
     exe.linkSystemLibrary("lmdb");
-    exe.addCSourceFile(.{ .file = .{ .cwd_relative = "ragel/lang.c" } });
+    exe.addCSourceFile(.{ .file = b.path("ragel/lang.c") });
+    exe.step.dependOn(&gen_ragel.step);
 
     // This declares intent for the executable to be installed into the
     // standard location when the user invokes the "install" step (the default
diff --git a/src/config.zig b/src/config.zig
index 1787bd2..0b1c2ef 100644
--- a/src/config.zig
+++ b/src/config.zig
@@ -190,7 +190,7 @@ pub fn writefile(settings: Settings, filename: []const u8) void {
     if (std.fs.cwd().createFile(filename, .{ .truncate = true })) |*file| {
         warn("config.write toJson\n", .{});
         //std.json.stringify(configFile, std.json.StringifyOptions{}, file.writer()) catch unreachable;
-        warn("config saved. {s} {} bytes\n", .{ filename, file.getPos() });
+        warn("config saved. {s} {} bytes\n", .{ filename, file.getPos() catch unreachable });
         file.close();
     } else |err| {
         warn("config save fail. {!}\n", .{err});