diff --git a/mysql-test/r/func_misc.result b/mysql-test/r/func_misc.result
index 4bd9d0be174..aa75cde0525 100644
--- a/mysql-test/r/func_misc.result
+++ b/mysql-test/r/func_misc.result
@@ -200,9 +200,15 @@ 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 a8715346d0a..4b7685c3633 100644
--- a/mysql-test/t/func_misc.test
+++ b/mysql-test/t/func_misc.test
@@ -208,7 +208,9 @@ 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 8800692f192..c22eb9b9cd9 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -436,6 +436,7 @@ 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(); }