diff --git a/llarp/util/logging/source_location.hpp b/llarp/util/logging/source_location.hpp
index 35f5cc7fc..39b707a30 100644
--- a/llarp/util/logging/source_location.hpp
+++ b/llarp/util/logging/source_location.hpp
@@ -4,6 +4,7 @@
 #include <source_location>
 namespace slns = std;
 #else
+#include <cstdint>
 namespace slns
 {
   struct source_location