diff --git a/Storage/Disk/DiskImage/Formats/AcornADF.cpp b/Storage/Disk/DiskImage/Formats/AcornADF.cpp
index 663af4376..dcb717c7d 100644
--- a/Storage/Disk/DiskImage/Formats/AcornADF.cpp
+++ b/Storage/Disk/DiskImage/Formats/AcornADF.cpp
@@ -10,6 +10,8 @@
 
 #include "Utility/ImplicitSectors.hpp"
 
+#include <cstring>
+
 using namespace Storage::Disk;
 
 AcornADF::AcornADF(const std::string &file_name) : MFMSectorDump(file_name) {