From 710e83c09888123f75422330cbbcab11c88fbce9 Mon Sep 17 00:00:00 2001
From: David Given <dg@cowlark.com>
Date: Sat, 18 Oct 2025 13:03:14 +0200
Subject: [PATCH] Try to fix OSX build failure.

---
 lib/data/fluxmap.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/data/fluxmap.h b/lib/data/fluxmap.h
index 8f9b0bbc..3b1ee633 100644
--- a/lib/data/fluxmap.h
+++ b/lib/data/fluxmap.h
@@ -4,6 +4,7 @@
 #include "lib/core/bytes.h"
 #include "protocol.h"
 #include "fmt/format.h"
+#include <mutex>
 
 class RawBits;