diff --git a/tests/gtest/common_oiioutils_test.cpp b/tests/gtest/common_oiioutils_test.cpp
index 2c813fa8e..badf85974 100644
--- a/tests/gtest/common_oiioutils_test.cpp
+++ b/tests/gtest/common_oiioutils_test.cpp
@@ -2,6 +2,8 @@
 
 #include <OpenImageIO/imagebuf.h>
 
+#include <cstring>
+
 #include "codec/frame.h"
 #include "common/oiioutils.h"