diff --git a/install/install.conf b/install/install.conf
index a072a12f..c5dd7b44 100755
--- a/install/install.conf
+++ b/install/install.conf
@@ -14,7 +14,7 @@ export REMI=${REMI:-http://rpms.famillecollet.com/enterprise/remi-release-7.rpm}
 
 export EPEL=${EPEL:-https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm}
 
-export MYSQL={MYSQL:-http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm}
+export MYSQL=${MYSQL:-http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm}
 
 # service NIC
 export NIC=${NIC:-}