diff --git a/inc/goldfish/array_ref.h b/inc/goldfish/array_ref.h
index 01c6098..e661dd3 100644
--- a/inc/goldfish/array_ref.h
+++ b/inc/goldfish/array_ref.h
@@ -7,7 +7,7 @@
 #include <vector>
 #include <version>
 
-#ifdef __has_include(<span>)
+#if __has_include(<span>)
 #include <span>
 #else
 #include <span-lite/span.hpp>
diff --git a/inc/goldfish/sax_reader.h b/inc/goldfish/sax_reader.h
index 34e740d..30ce2d2 100644
--- a/inc/goldfish/sax_reader.h
+++ b/inc/goldfish/sax_reader.h
@@ -5,6 +5,7 @@
 #include <optional>
 #include "base64_stream.h"
 #include "buffered_stream.h"
+#include <limits>
 #include <type_traits>
 #include <variant>