diff --git a/encoding/json/number.go b/encoding/json/number.go
index 5cddf22..936ba86 100644
--- a/encoding/json/number.go
+++ b/encoding/json/number.go
@@ -1,9 +1,12 @@
 package json
 
-import "encoding/json"
+import (
+	"encoding/json"
+	"strconv"
+)
 
 func NumberToInt(n json.Number) (int, error) {
-	n64, err := n.Int64()
+	n64, err := strconv.ParseInt(n.String(), 10, 32)
 	if nil != err {
 		return 0, err
 	}