diff --git a/install/alternc.install b/install/alternc.install
index b15db4e6..0a5d3c0e 100644
--- a/install/alternc.install
+++ b/install/alternc.install
@@ -90,7 +90,7 @@ if [ -r /etc/alternc/my.cnf ]; then
     # * add a right quote operator at the end of line (;s)
     # * convert mysql variables into our MYSQL_ naming convention (;s)
     # * print the result (;p)
-    eval `sed -n -e "/=/{s/ *= */='/;s/\$/'/;s/host/MYSQL_HOST/;s/user/MYSQL_LOGIN/;s/password/MYSQL_PASS/;s/database/MYSQL_DATABASE/;p}" /etc/alternc/my.cnf`
+    eval `sed -n -e "/=/{s/ *= *"?/='/;s/"?\$/'/;s/host/MYSQL_HOST/;s/user/MYSQL_LOGIN/;s/password/MYSQL_PASS/;s/database/MYSQL_DATABASE/;p}" /etc/alternc/my.cnf`
 fi
 
 WARNING="WARNING: Do not edit this file, edit the one in /etc/alternc/templates and launch alternc.install again."