diff --git a/installation/controller/install/languages.php b/installation/controller/install/languages.php
index 2e0ed67221577..9b3aa132752c1 100644
--- a/installation/controller/install/languages.php
+++ b/installation/controller/install/languages.php
@@ -28,7 +28,6 @@ public function __construct()
 		// Overrides application config and set the configuration.php file so tokens and database works
 		JFactory::$config = null;
 		JFactory::getConfig(JPATH_SITE . '/configuration.php');
-		JFactory::$session = null;
 	}
 
 	/**
diff --git a/installation/controller/setdefaultlanguage.php b/installation/controller/setdefaultlanguage.php
index ec0a57622e826..4de1631f051ca 100644
--- a/installation/controller/setdefaultlanguage.php
+++ b/installation/controller/setdefaultlanguage.php
@@ -28,7 +28,6 @@ public function __construct()
 		// Overrides application config and set the configuration.php file so tokens and database works
 		JFactory::$config = null;
 		JFactory::getConfig(JPATH_SITE . '/configuration.php');
-		JFactory::$session = null;
 	}
 
 	/**
diff --git a/installation/model/languages.php b/installation/model/languages.php
index d74967fb14a81..d0ffae445994d 100644
--- a/installation/model/languages.php
+++ b/installation/model/languages.php
@@ -58,7 +58,13 @@ public function __construct()
 		// Overrides application config and set the configuration.php file so tokens and database works.
 		JFactory::$config = null;
 		JFactory::getConfig(JPATH_SITE . '/configuration.php');
-		JFactory::$session = null;
+
+		/*
+		 * JFactory::getDbo() gets called during app bootup, and because of the "uniqueness" of the install app, the config doesn't get read
+		 * correctly at that point.  So, we have to reset the factory database object here so that we can get a valid database configuration.
+		 * The day we have proper dependency injection will be a glorious one.
+		 */
+		JFactory::$database = null;
 
 		parent::__construct();
 	}