--- a/json_value.cpp
+++ b/json_value.cpp
@@ -666,6 +666,7 @@ Value::asString() const
    case booleanValue:
       return value_.bool_ ? "true" : "false";
    case intValue:
+      return valueToString( value_.int_ );
    case uintValue:
    case realValue:
    case arrayValue:
@@ -1423,14 +1424,14 @@ Value::isString() const
 bool 
 Value::isArray() const
 {
-   return type_ == nullValue  ||  type_ == arrayValue;
+   return type_ == arrayValue;
 }
 
 
 bool 
 Value::isObject() const
 {
-   return type_ == nullValue  ||  type_ == objectValue;
+   return type_ == objectValue;
 }