diff --git a/DMRDataHeader.cpp b/DMRDataHeader.cpp
index 70f286e..891e7c1 100644
--- a/DMRDataHeader.cpp
+++ b/DMRDataHeader.cpp
@@ -27,6 +27,7 @@
 
 #include <cstdio>
 #include <cassert>
+#include <cstring>
 
 CDMRDataHeader::CDMRDataHeader() :
 m_data(NULL),