diff --git a/mysql-test/r/grant.result b/mysql-test/r/grant.result
index 5dbbfbd9ab8..f6864ce7b94 100644
--- a/mysql-test/r/grant.result
+++ b/mysql-test/r/grant.result
@@ -972,4 +972,24 @@ REVOKE EXECUTE ON PROCEDURE p1 FROM 1234567890abcdefGHIKL@localhost;
 ERROR HY000: String '1234567890abcdefGHIKL' is too long for user name (should be no longer than 16)
 REVOKE EXECUTE ON PROCEDURE t1 FROM some_user_name@1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTY;
 ERROR HY000: String '1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTY' is too long for host name (should be no longer than 60)
+CREATE USER bug23556@localhost;
+CREATE DATABASE bug23556;
+GRANT SELECT ON bug23556.* TO bug23556@localhost;
+USE bug23556;
+CREATE TABLE t1 (a INT PRIMARY KEY);
+INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
+GRANT DELETE ON t1 TO bug23556@localhost;
+USE bug23556;
+TRUNCATE t1;
+ERROR 42000: DROP command denied to user 'bug23556'@'localhost' for table 't1'
+USE bug23556;
+REVOKE DELETE ON t1 FROM bug23556@localhost;
+GRANT DROP ON t1 TO bug23556@localhost;
+USE bug23556;
+TRUNCATE t1;
+USE bug23556;
+DROP TABLE t1;
+USE test;
+DROP DATABASE bug23556;
+DROP USER bug23556@localhost;
 End of 5.0 tests
diff --git a/mysql-test/r/trigger-grant.result b/mysql-test/r/trigger-grant.result
index eb211be0270..49c36513fbc 100644
--- a/mysql-test/r/trigger-grant.result
+++ b/mysql-test/r/trigger-grant.result
@@ -14,8 +14,8 @@ CREATE TABLE t1(num_value INT);
 CREATE TABLE t2(user_str TEXT);
 
 ---> connection: default
-GRANT INSERT, DELETE ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
-GRANT INSERT, DELETE ON mysqltest_db1.t2 TO mysqltest_dfn@localhost;
+GRANT INSERT, DROP ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
+GRANT INSERT, DROP ON mysqltest_db1.t2 TO mysqltest_dfn@localhost;
 
 ---> connection: default
 GRANT SUPER ON *.* TO mysqltest_dfn@localhost;
diff --git a/mysql-test/t/grant.test b/mysql-test/t/grant.test
index d3781d58780..91d8b248bcc 100644
--- a/mysql-test/t/grant.test
+++ b/mysql-test/t/grant.test
@@ -863,4 +863,39 @@ REVOKE EXECUTE ON PROCEDURE p1 FROM 1234567890abcdefGHIKL@localhost;
 
 --error ER_WRONG_STRING_LENGTH
 REVOKE EXECUTE ON PROCEDURE t1 FROM some_user_name@1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTY;
+
+
+#
+# BUG#23556: TRUNCATE TABLE still maps to DELETE
+#
+CREATE USER bug23556@localhost;
+CREATE DATABASE bug23556;
+GRANT SELECT ON bug23556.* TO bug23556@localhost;
+connect (bug23556,localhost,bug23556,,bug23556);
+
+connection default;
+USE bug23556;
+CREATE TABLE t1 (a INT PRIMARY KEY); INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
+GRANT DELETE ON t1 TO bug23556@localhost;
+
+connection bug23556;
+USE bug23556;
+--error ER_TABLEACCESS_DENIED_ERROR
+TRUNCATE t1;
+
+connection default;
+USE bug23556;
+REVOKE DELETE ON t1 FROM bug23556@localhost;
+GRANT DROP ON t1 TO bug23556@localhost;
+
+connection bug23556;
+USE bug23556;
+TRUNCATE t1;
+
+connection default;
+USE bug23556;
+DROP TABLE t1;
+USE test;
+DROP DATABASE bug23556;
+DROP USER bug23556@localhost;
 --echo End of 5.0 tests
diff --git a/mysql-test/t/trigger-grant.test b/mysql-test/t/trigger-grant.test
index 6dd0c83dc92..2a0cf829bae 100644
--- a/mysql-test/t/trigger-grant.test
+++ b/mysql-test/t/trigger-grant.test
@@ -60,8 +60,8 @@ CREATE TABLE t2(user_str TEXT);
 --echo
 --echo ---> connection: default
 
-GRANT INSERT, DELETE ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
-GRANT INSERT, DELETE ON mysqltest_db1.t2 TO mysqltest_dfn@localhost;
+GRANT INSERT, DROP ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
+GRANT INSERT, DROP ON mysqltest_db1.t2 TO mysqltest_dfn@localhost;
 
 #
 # Check that the user must have TRIGGER privilege to create a trigger.
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 9f295b2c247..a49afe5e188 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -3508,7 +3508,7 @@ end_with_restore_list:
       break;
     }
     DBUG_ASSERT(first_table == all_tables && first_table != 0);
-    if (check_one_table_access(thd, DELETE_ACL, all_tables))
+    if (check_one_table_access(thd, DROP_ACL, all_tables))
       goto error;
     /*
       Don't allow this within a transaction because we want to use