1 files changed, 1 insertions, 0 deletions

diff --git a/main.cc b/main.cc
index 56cbf06..d752489 100644
--- a/main.cc
+++ b/main.cc
@@ -19,6 +19,7 @@
 
 #include <cerrno>
 #include <climits>
+#include <csignal>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>