diff --git a/install.php b/install.php
index 6d33fb68..8d7bf1f1 100644
--- a/install.php
+++ b/install.php
@@ -338,7 +338,7 @@ EOD;
 				<br/><br/>
 			</div>
 EOD;
-		if (defined('DATABASE_DSN')) { print "DATABASE_DSN = " + DATABASE_DSN; }
+		print "DATABASE_DSN = '" + DATABASE_DSN + "'";
 		exit($e->getMessage());
 	}
 	catch (Exception $e)
diff --git a/tests/test_install.php b/tests/test_install.php
index 4d1022cf..0e70cd31 100644
--- a/tests/test_install.php
+++ b/tests/test_install.php
@@ -28,10 +28,10 @@ define("_TRAVIS_DATABASE", $db);
 define("_TRAVIS_WEBHOST", $host);
 
 // Currently the tests only support MySQL and PostgreSQL.
-if ($db == "mysql") {
+if ($db === "mysql") {
 	define("_TRAVIS_DATABASE_USERNAME", "root");
 	define("_TRAVIS_DATABASE_PASSWORD", "");
-} elseif ($db == "pgsql") {
+} elseif ($db === "pgsql") {
 	define("_TRAVIS_DATABASE_USERNAME", "postgres");
 	define("_TRAVIS_DATABASE_PASSWORD", "");
 } else {