diff --git a/mysql-test/r/type_enum.result b/mysql-test/r/type_enum.result
index ca516f027ba..994001d94e5 100644
--- a/mysql-test/r/type_enum.result
+++ b/mysql-test/r/type_enum.result
@@ -1829,3 +1829,27 @@ c1 + 0
 0
 2
 DROP TABLE t1,t2;
+CREATE TABLE t1(a enum('a','b','c','d'));
+INSERT INTO t1 VALUES (4),(1),(0),(3);
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 3
+SELECT a FROM t1;
+a
+d
+a
+
+c
+EXPLAIN SELECT a FROM t1 WHERE a=0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
+SELECT a FROM t1 WHERE a=0;
+a
+
+ALTER TABLE t1 ADD PRIMARY KEY (a);
+EXPLAIN SELECT a FROM t1 WHERE a=0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	1	const	1	Using index
+SELECT a FROM t1 WHERE a=0;
+a
+
+DROP TABLE t1;
diff --git a/mysql-test/t/type_enum.test b/mysql-test/t/type_enum.test
index fbba38f926d..3dedb0018b1 100644
--- a/mysql-test/t/type_enum.test
+++ b/mysql-test/t/type_enum.test
@@ -200,3 +200,27 @@ CREATE TABLE t2 SELECT * FROM t1;
 SELECT c1 + 0 FROM t2;
 
 DROP TABLE t1,t2;
+
+#
+# Bug#29661: Lookup by 0 for a primary index over a enum type  
+#
+
+CREATE TABLE t1(a enum('a','b','c','d'));
+INSERT INTO t1 VALUES (4),(1),(0),(3);
+
+SELECT a FROM t1;
+
+EXPLAIN SELECT a FROM t1 WHERE a=0;
+SELECT a FROM t1 WHERE a=0;
+
+ALTER TABLE t1 ADD PRIMARY KEY (a);
+
+EXPLAIN SELECT a FROM t1 WHERE a=0;
+SELECT a FROM t1 WHERE a=0;
+
+DROP TABLE t1;
+
+
+
+
+
diff --git a/sql/field.cc b/sql/field.cc
index 993c1fb3c4f..4a1320af48c 100644
--- a/sql/field.cc
+++ b/sql/field.cc
@@ -7640,8 +7640,11 @@ int Field_enum::store(longlong nr, bool unsigned_val)
   if ((ulonglong) nr > typelib->count || nr == 0)
   {
     set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, WARN_DATA_TRUNCATED, 1);
-    nr=0;
-    error=1;
+    if (nr != 0 || table->in_use->count_cuted_fields)
+    {
+      nr= 0;
+      error= 1;
+    }
   }
   store_type((ulonglong) (uint) nr);
   return error;