1 files changed, 5 insertions, 0 deletions
diff --git a/src/nvim/eval_defs.h b/src/nvim/eval_defs.h
index 34a36004d6..0faf860588 100644
--- a/src/nvim/eval_defs.h
+++ b/src/nvim/eval_defs.h
@@ -1,11 +1,16 @@
 #ifndef NVIM_EVAL_DEFS_H
 #define NVIM_EVAL_DEFS_H
 
+#include <limits.h>
+
 #include "nvim/hashtab.h"
 
 typedef int varnumber_T;
 typedef double float_T;
 
+#define VARNUMBER_MAX INT_MAX
+#define VARNUMBER_MIN INT_MIN
+
 typedef struct listvar_S list_T;
 typedef struct dictvar_S dict_T;