diff --git a/mysql-test/r/variables.result b/mysql-test/r/variables.result
index 9c360ef4ab3..35f8a5bf6cb 100644
--- a/mysql-test/r/variables.result
+++ b/mysql-test/r/variables.result
@@ -838,6 +838,12 @@ SELECT @@log_slow_queries;
 1
 SET GLOBAL log_slow_queries=0;
 ERROR HY000: Variable 'log_slow_queries' is a read only variable
+set @my_innodb_autoextend_increment=@@global.innodb_autoextend_increment;
+set global innodb_autoextend_increment=8;
+set global innodb_autoextend_increment=@my_innodb_autoextend_increment;
+set @my_innodb_commit_concurrency=@@global.innodb_commit_concurrency;
+set global innodb_commit_concurrency=0;
+set global innodb_commit_concurrency=@my_innodb_commit_concurrency;
 End of 5.0 tests
 set global binlog_cache_size         =@my_binlog_cache_size;
 set global connect_timeout           =@my_connect_timeout;
diff --git a/mysql-test/t/variables.test b/mysql-test/t/variables.test
index c86e7dfa7f3..191022f44fb 100644
--- a/mysql-test/t/variables.test
+++ b/mysql-test/t/variables.test
@@ -696,6 +696,19 @@ SELECT @@log_slow_queries;
 --error 1238
 SET GLOBAL log_slow_queries=0;
 
+#
+# Bug #34223: Assertion failed: (optp->var_type & 127) == 8,
+#             file .\my_getopt.c, line 830
+#
+
+set @my_innodb_autoextend_increment=@@global.innodb_autoextend_increment;
+set global innodb_autoextend_increment=8;
+set global innodb_autoextend_increment=@my_innodb_autoextend_increment;
+
+set @my_innodb_commit_concurrency=@@global.innodb_commit_concurrency;
+set global innodb_commit_concurrency=0;
+set global innodb_commit_concurrency=@my_innodb_commit_concurrency;
+
 --echo End of 5.0 tests
 
 # This is at the very after the versioned tests, since it involves doing
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 693b72f5c98..f98b09f4ef6 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -5798,7 +5798,7 @@ log and this option does nothing anymore.",
    "Data file autoextend increment in megabytes",
    (gptr*) &srv_auto_extend_increment,
    (gptr*) &srv_auto_extend_increment,
-   0, GET_LONG, REQUIRED_ARG, 8L, 1L, 1000L, 0, 1L, 0},
+   0, GET_ULONG, REQUIRED_ARG, 8L, 1L, 1000L, 0, 1L, 0},
   {"innodb_buffer_pool_awe_mem_mb", OPT_INNODB_BUFFER_POOL_AWE_MEM_MB,
    "If Windows AWE is used, the size of InnoDB buffer pool allocated from the AWE memory.",
    (gptr*) &innobase_buffer_pool_awe_mem_mb, (gptr*) &innobase_buffer_pool_awe_mem_mb, 0,
@@ -5811,7 +5811,7 @@ log and this option does nothing anymore.",
   {"innodb_commit_concurrency", OPT_INNODB_COMMIT_CONCURRENCY,
    "Helps in performance tuning in heavily concurrent environments.",
    (gptr*) &srv_commit_concurrency, (gptr*) &srv_commit_concurrency,
-   0, GET_LONG, REQUIRED_ARG, 0, 0, 1000, 0, 1, 0},
+   0, GET_ULONG, REQUIRED_ARG, 0, 0, 1000, 0, 1, 0},
   {"innodb_concurrency_tickets", OPT_INNODB_CONCURRENCY_TICKETS,
    "Number of times a thread is allowed to enter InnoDB within the same \
     SQL query after it has once got the ticket",