diff --git a/daemon/daemon.cc b/daemon/daemon.cc
index 84324a2e6..e02c4cf3f 100644
--- a/daemon/daemon.cc
+++ b/daemon/daemon.cc
@@ -26,6 +26,7 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 #include <sstream>
 #include <algorithm>
 #include <functional>
+#include <limits>
 
 #ifdef HAVE_READLINE
 #include <readline/readline.h>