diff --git a/Source/Core/Core/Boot/Boot_DOL.cpp b/Source/Core/Core/Boot/Boot_DOL.cpp
index 1c17621a23..87dcb1b5f5 100644
--- a/Source/Core/Core/Boot/Boot_DOL.cpp
+++ b/Source/Core/Core/Boot/Boot_DOL.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include <cstring>
 #include <string>
 #include <vector>