diff --git a/src/shell_manager.cc b/src/shell_manager.cc
index 334960b8..0d012538 100644
--- a/src/shell_manager.cc
+++ b/src/shell_manager.cc
@@ -14,6 +14,7 @@
 #include "option_types.hh"
 #include "regex.hh"
 
+#include <array>
 #include <cstring>
 #include <sys/types.h>
 #include <sys/wait.h>