diff --git a/mysql-test/r/trigger.result b/mysql-test/r/trigger.result
index edd083f73aa..c24f7b6b06f 100644
--- a/mysql-test/r/trigger.result
+++ b/mysql-test/r/trigger.result
@@ -1398,18 +1398,19 @@ id	val
 1	test1
 2	test2
 INSERT INTO t1 VALUES (2,'test2') ON DUPLICATE KEY UPDATE val=VALUES(val);
-INSERT INTO t1 VALUES (3,'test3') ON DUPLICATE KEY UPDATE val=VALUES(val);
+INSERT INTO t1 VALUES (2,'test3') ON DUPLICATE KEY UPDATE val=VALUES(val);
+INSERT INTO t1 VALUES (3,'test4') ON DUPLICATE KEY UPDATE val=VALUES(val);
 SELECT * FROM t1;
 id	val
 1	test1
-2	test2
-3	test3
+2	test3
+3	test4
 SELECT * FROM t2;
 id	val
 1	test1
 2	test2
-3	test2
-4	test3
+3	test3
+4	test4
 DROP TRIGGER trg27006_a_insert;
 DROP TRIGGER trg27006_a_update;
 drop table t1,t2;
diff --git a/mysql-test/t/trigger.test b/mysql-test/t/trigger.test
index 22d3a68ba74..55b67adf7c6 100644
--- a/mysql-test/t/trigger.test
+++ b/mysql-test/t/trigger.test
@@ -1700,8 +1700,7 @@ DROP PROCEDURE bug22580_proc_1;
 DROP PROCEDURE bug22580_proc_2;
 
 #
-# Bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE KEY
-#            UPDATE if the row wasn't actually changed.
+# Bug#27006: AFTER UPDATE triggers not fired with INSERT ... ON DUPLICATE
 #
 --disable_warnings
 DROP TRIGGER IF EXISTS trg27006_a_update;
@@ -1730,7 +1729,8 @@ INSERT INTO t1(val) VALUES ('test1'),('test2');
 SELECT * FROM t1;
 SELECT * FROM t2;
 INSERT INTO t1 VALUES (2,'test2') ON DUPLICATE KEY UPDATE val=VALUES(val);
-INSERT INTO t1 VALUES (3,'test3') ON DUPLICATE KEY UPDATE val=VALUES(val);
+INSERT INTO t1 VALUES (2,'test3') ON DUPLICATE KEY UPDATE val=VALUES(val);
+INSERT INTO t1 VALUES (3,'test4') ON DUPLICATE KEY UPDATE val=VALUES(val);
 SELECT * FROM t1;
 SELECT * FROM t2;
 DROP TRIGGER trg27006_a_insert;
diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc
index 52f3fd507e4..242ae16a5d3 100644
--- a/sql/sql_insert.cc
+++ b/sql/sql_insert.cc
@@ -1262,6 +1262,10 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
              compare_record(table))
         {
           info->updated++;
+          trg_error= (table->triggers &&
+                      table->triggers->process_triggers(thd, TRG_EVENT_UPDATE,
+                                                        TRG_ACTION_AFTER,
+                                                        TRUE));
           info->copied++;
         }
         /*
@@ -1278,6 +1282,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
         trg_error= (table->triggers &&
                     table->triggers->process_triggers(thd, TRG_EVENT_UPDATE,
                                                       TRG_ACTION_AFTER, TRUE));
+
         goto ok_or_after_trg_err;
       }
       else /* DUP_REPLACE */