diff --git a/composer.json b/composer.json
index 823ae23..558ce98 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "martywallace/tempest",
-	"version": "3.0.2",
+	"version": "3.0.3",
 	"description": "A tiny PHP framework.",
 	"homepage": "https://github.com/MartyWallace/Tempest",
 	"type": "library",
diff --git a/src/Tempest/Tempest.php b/src/Tempest/Tempest.php
index cbecaf5..0c4196f 100644
--- a/src/Tempest/Tempest.php
+++ b/src/Tempest/Tempest.php
@@ -165,6 +165,7 @@ public function __get($prop) {
 
 			if (!array_key_exists($prop, $this->_setupServices)) {
 				// First time being accessed, setup the service.
+				$this->_setupServices[$prop] = true;
 				$service->setup();
 			}