diff --git a/include/common/cmdlib.hh b/include/common/cmdlib.hh
index 05424c44..9decc18e 100644
--- a/include/common/cmdlib.hh
+++ b/include/common/cmdlib.hh
@@ -27,6 +27,7 @@
 #include <cctype>
 #include <ctime>
 #include <cstdarg>
+#include <cstring> // for memcpy()
 #include <string>
 #include <string_view>
 #include <memory>