1 files changed, 3 insertions, 0 deletions
diff --git a/src/util/srp.cpp b/src/util/srp.cpp
index a3452e022..d825f0ebc 100644
--- a/src/util/srp.cpp
+++ b/src/util/srp.cpp
@@ -27,6 +27,9 @@
  */
 
 // clang-format off
+
+#include <cstddef>
+
 #ifdef WIN32
 	#include <windows.h>
 	#include <wincrypt.h>