diff --git a/Makefile.am b/Makefile.am
index 7410bf7e591..468414d08c4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -155,8 +155,8 @@ libinnobase_a_SOURCES=	btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c	\
 			ut/ut0ut.c ut/ut0vec.c ut/ut0wqueue.c		\
 			handler/ha_innodb.cc
 
-libinnobase_a_CXXFLAGS=	$(AM_CFLAGS)
-libinnobase_a_CFLAGS=	$(AM_CFLAGS)
+libinnobase_a_CXXFLAGS=-Werror 	$(AM_CFLAGS)
+libinnobase_a_CFLAGS=-Werror 	$(AM_CFLAGS)
 
 EXTRA_LTLIBRARIES=	ha_innodb.la
 pkgplugin_LTLIBRARIES=	@plugin_innobase_shared_target@
diff --git a/mysql-test/innodb.test b/mysql-test/innodb.test
index 62d65dc30a3..2dc9dbb5410 100644
--- a/mysql-test/innodb.test
+++ b/mysql-test/innodb.test
@@ -19,6 +19,10 @@
 # Small basic test with ignore
 #
 
+-- disable_query_log
+SET @innodb_thread_concurrency_orig = @@innodb_thread_concurrency;
+-- enable_query_log
+
 --disable_warnings
 drop table if exists t1,t2,t3,t4;
 drop database if exists mysqltest;
@@ -2524,6 +2528,8 @@ DROP TABLE bug35537;
 DISCONNECT c1;
 CONNECTION default;
 
+SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig;
+
 #######################################################################
 #                                                                     #
 # Please, DO NOT TOUCH this file as well as the innodb.result file.   #