1 files changed, 1 insertions, 0 deletions
diff --git a/src/lookup/lookup.h b/src/lookup/lookup.h
index 6bf7a71..498d7ea 100644
--- a/src/lookup/lookup.h
+++ b/src/lookup/lookup.h
@@ -28,6 +28,7 @@
  */
 
 #include "novel_types.h"
+#include <limits.h>
 
 namespace pinyin{