diff --git a/src/corelib/global/qendian.h b/src/corelib/global/qendian.h
index 4048eca953..faf2871c60 100644
--- a/src/corelib/global/qendian.h
+++ b/src/corelib/global/qendian.h
@@ -51,6 +51,8 @@
 #include <byteswap.h>
 #endif
 
+#include <string.h>
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE