diff --git a/src/server/shared/Packets/ByteBuffer.h b/src/server/shared/Packets/ByteBuffer.h
index c06a6cbed1a..b2bbc21f1ac 100644
--- a/src/server/shared/Packets/ByteBuffer.h
+++ b/src/server/shared/Packets/ByteBuffer.h
@@ -24,6 +24,9 @@
 #include "ByteConverter.h"
 #include "Util.h"
 
+#if PLATFORM == PLATFORM_UNIX
+  #include <cstring>
+#endif
 
 class MessageBuffer;