diff --git a/.travis.yml b/.travis.yml
index 6a3ad821..49ab70a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,8 +27,8 @@ rvm:
   - 2.4
 
 before_install:
-  - mysql -e 'set global innodb_file_format = `BARRACUDA`;
-  - mysql -e 'set global innodb_large_prefix = `ON`;
+  - mysql -e 'set global innodb_file_format = BARRACUDA;
+  - mysql -e 'set global innodb_large_prefix = ON;
   - mysql -e 'CREATE DATABASE IF NOT EXISTS test CHARACTER SET utf8mb4;'
   - psql -c 'create database test;' -U postgres