diff --git a/mysql-test/r/plugin.result b/mysql-test/r/plugin.result
index 8628acecf55..e4af1535775 100644
--- a/mysql-test/r/plugin.result
+++ b/mysql-test/r/plugin.result
@@ -17,3 +17,13 @@ UNINSTALL PLUGIN EXAMPLE;
 ERROR 42000: PLUGIN EXAMPLE does not exist
 UNINSTALL PLUGIN non_exist;
 ERROR 42000: PLUGIN non_exist does not exist
+#
+# Bug#32034: check_func_enum() does not check correct values but set it
+#            to impossible int val
+#
+INSTALL PLUGIN example SONAME 'ha_example.so';
+SET GLOBAL example_enum_var= e1;
+SET GLOBAL example_enum_var= e2;
+SET GLOBAL example_enum_var= impossible;
+ERROR 42000: Variable 'enum_var' can't be set to the value of 'impossible'
+UNINSTALL PLUGIN example;
diff --git a/mysql-test/t/plugin.test b/mysql-test/t/plugin.test
index fb6d5febe45..d8d6d069676 100644
--- a/mysql-test/t/plugin.test
+++ b/mysql-test/t/plugin.test
@@ -24,3 +24,18 @@ UNINSTALL PLUGIN EXAMPLE;
 
 --error 1305
 UNINSTALL PLUGIN non_exist;
+
+
+--echo #
+--echo # Bug#32034: check_func_enum() does not check correct values but set it
+--echo #            to impossible int val
+--echo #
+
+INSTALL PLUGIN example SONAME 'ha_example.so';
+
+SET GLOBAL example_enum_var= e1;
+SET GLOBAL example_enum_var= e2;
+--error 1231
+SET GLOBAL example_enum_var= impossible;
+
+UNINSTALL PLUGIN example;
diff --git a/sql/sql_plugin.cc b/sql/sql_plugin.cc
index 2af528f6699..57df53672e7 100644
--- a/sql/sql_plugin.cc
+++ b/sql/sql_plugin.cc
@@ -1944,7 +1944,7 @@ static int check_func_enum(THD *thd, struct st_mysql_sys_var *var,
     length= sizeof(buff);
     if (!(str= value->val_str(value, buff, &length)))
       goto err;
-    if ((result= find_type(typelib, str, length, 1)-1) < 0)
+    if ((result= (long)find_type(typelib, str, length, 1)-1) < 0)
     {
       strvalue= str;
       goto err;
diff --git a/storage/example/ha_example.cc b/storage/example/ha_example.cc
index b7186dda676..6d9f4841e06 100644
--- a/storage/example/ha_example.cc
+++ b/storage/example/ha_example.cc
@@ -848,6 +848,34 @@ int ha_example::create(const char *name, TABLE *table_arg,
 struct st_mysql_storage_engine example_storage_engine=
 { MYSQL_HANDLERTON_INTERFACE_VERSION };
 
+static ulong srv_enum_var= 0;
+
+const char *enum_var_names[]=
+{
+  "e1", "e2", NullS
+};
+
+TYPELIB enum_var_typelib=
+{
+  array_elements(enum_var_names) - 1, "enum_var_typelib",
+  enum_var_names, NULL
+};
+
+static MYSQL_SYSVAR_ENUM(
+  enum_var,                       // name
+  srv_enum_var,                   // varname
+  PLUGIN_VAR_RQCMDARG,            // opt
+  "Sample ENUM system variable.", // comment
+  NULL,                           // check
+  NULL,                           // update
+  0,                              // def
+  &enum_var_typelib);             // typelib
+
+static struct st_mysql_sys_var* example_system_variables[]= {
+  MYSQL_SYSVAR(enum_var),
+  NULL
+};
+
 mysql_declare_plugin(example)
 {
   MYSQL_STORAGE_ENGINE_PLUGIN,
@@ -860,7 +888,7 @@ mysql_declare_plugin(example)
   example_done_func,                            /* Plugin Deinit */
   0x0001 /* 0.1 */,
   NULL,                                         /* status variables */
-  NULL,                                         /* system variables */
+  example_system_variables,                     /* system variables */
   NULL                                          /* config options */
 }
 mysql_declare_plugin_end;