diff --git a/src/Error.cc b/src/Error.cc
index f417d5f..7873c2f 100644
--- a/src/Error.cc
+++ b/src/Error.cc
@@ -20,6 +20,7 @@
 #include "Backtrace.hh"
 #include "Internal.hh"
 #include "util/Logging.hh"
+#include <cstring>
 #include <iostream>
 #include <mutex>
 #include <sstream>