diff --git a/mobile_tools.module b/mobile_tools.module
index e1b04fb..1822718 100644
--- a/mobile_tools.module
+++ b/mobile_tools.module
@@ -495,7 +495,7 @@ function mobile_tools_devicecapability($capability) {
   static $device_capability;
 
   if (!isset($device_capability)) {
-    $module = variable_get('mobile-tools-device-capability', NULL);
+    $module = variable_get('mobile-tools-device-capabilities', NULL);
 
     if (isset($module)) {
       drupal_load('module', $module);