1 files changed, 1 insertions, 0 deletions

diff --git a/src/id.cc b/src/id.cc
index 84ae0d0..26e47ae 100644
--- a/src/id.cc
+++ b/src/id.cc
@@ -1,4 +1,5 @@
 #include <cctype>
+#include <cstring>
 #include <fstream>
 #include <iomanip>
 #include <iostream>