diff --git a/Common/ArmCPUDetect.cpp b/Common/ArmCPUDetect.cpp
index 977f1b8690..32119f9889 100644
--- a/Common/ArmCPUDetect.cpp
+++ b/Common/ArmCPUDetect.cpp
@@ -40,6 +40,7 @@
 #endif
 #endif
 
+#include <cstring>
 #include <ctype.h>
 
 #include "Common/CommonTypes.h"