diff --git a/mysql-test/r/func_misc.result b/mysql-test/r/func_misc.result
index bb6f4127a2a..c941790c35b 100644
--- a/mysql-test/r/func_misc.result
+++ b/mysql-test/r/func_misc.result
@@ -195,9 +195,15 @@ NULL
 SELECT NAME_CONST('test', 1);
 test
 1
+SELECT NAME_CONST('test', -1);
+test
+-1
 SELECT NAME_CONST('test', 1.0);
 test
 1.0
+SELECT NAME_CONST('test', -1.0);
+test
+-1.0
 SELECT NAME_CONST('test', 'test');
 test
 test
diff --git a/mysql-test/t/func_misc.test b/mysql-test/t/func_misc.test
index c93e411e691..2c34f77b1ff 100644
--- a/mysql-test/t/func_misc.test
+++ b/mysql-test/t/func_misc.test
@@ -199,7 +199,9 @@ SELECT NAME_CONST('test', UPPER('test'));
 
 SELECT NAME_CONST('test', NULL);
 SELECT NAME_CONST('test', 1);
+SELECT NAME_CONST('test', -1);
 SELECT NAME_CONST('test', 1.0);
+SELECT NAME_CONST('test', -1.0);
 SELECT NAME_CONST('test', 'test');
 
 --echo End of 5.0 tests
diff --git a/sql/item_func.h b/sql/item_func.h
index 87c9e016df2..43221a18a5b 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -435,6 +435,7 @@ public:
   longlong int_op();
   my_decimal *decimal_op(my_decimal *);
   const char *func_name() const { return "-"; }
+  virtual bool basic_const_item() const { return args[0]->basic_const_item(); }
   void fix_length_and_dec();
   void fix_num_length_and_dec();
   uint decimal_precision() const { return args[0]->decimal_precision(); }