diff --git a/pretty.zig b/pretty.zig
index 302d975..cbd6744 100644
--- a/pretty.zig
+++ b/pretty.zig
@@ -151,30 +151,32 @@ fn isComptimeType(comptime T: type) bool {
     }
 }
 
+const global = struct {
+    var tty: ?Io.Terminal = null;
+
+    pub inline fn setup(w: *std.Io.Writer) void {
+        if (tty == null) {
+            var buffer: [1]u8 = undefined;
+            const stderr = std.debug.lockStderr(&buffer).terminal();
+            defer std.debug.unlockStderr();
+
+            tty = stderr;
+            tty.?.writer = w;
+        }
+    }
+};
+
 pub fn PrettyComptimeValue(comptime T: type, comptime options: Options, comptime value: T) type {
     if (default_options.disable) return PrettyDisabled(T);
-
-    const global = struct {
-        var tty: ?Io.Terminal = null;
-    };
     const ctx: Context = Context{ .options = options };
 
     return struct {
-        comptime value: T = value,
-
         pub fn init(_: T) @This() {
             return .{};
         }
 
-        pub fn format(this: *const @This(), w: *std.Io.Writer) error{WriteFailed}!void {
-            if (global.tty == null) {
-                var buffer: [1]u8 = undefined;
-                const stderr = std.debug.lockStderr(&buffer).terminal();
-                defer std.debug.unlockStderr();
-
-                global.tty = stderr;
-                global.tty.?.writer = w;
-            }
+        pub fn format(_: *const @This(), w: *std.Io.Writer) error{WriteFailed}!void {
+            global.setup(w);
 
             var run = Runtime{
                 .out = w,
@@ -182,17 +184,14 @@ pub fn PrettyComptimeValue(comptime T: type, comptime options: Options, comptime
                 .no_color = options.no_color,
             };
 
-            try run.pretty(ctx, this.value, .{});
+            try run.pretty(ctx, value, .{});
+            try w.flush();
         }
     };
 }
 
 pub fn PrettyRuntimeValue(comptime T: type, comptime options: Options) type {
     if (default_options.disable) return PrettyDisabled(T);
-
-    const global = struct {
-        var tty: ?Io.Terminal = null;
-    };
     const ctx: Context = Context{ .options = options };
 
     return struct {
@@ -203,14 +202,7 @@ pub fn PrettyRuntimeValue(comptime T: type, comptime options: Options) type {
         }
 
         pub fn format(this: *const @This(), w: *std.Io.Writer) error{WriteFailed}!void {
-            if (global.tty == null) {
-                var buffer: [1]u8 = undefined;
-                const stderr = std.debug.lockStderr(&buffer).terminal();
-                defer std.debug.unlockStderr();
-
-                global.tty = stderr;
-                global.tty.?.writer = w;
-            }
+            global.setup(w);
 
             var run = Runtime{
                 .out = w,
@@ -219,6 +211,7 @@ pub fn PrettyRuntimeValue(comptime T: type, comptime options: Options) type {
             };
 
             try run.pretty(ctx, this.value, .{});
+            try w.flush();
         }
     };
 }