diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index b79c9e804f89f..8991b06d1a05b 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2179,7 +2179,7 @@
          effectively and terminate the dream.  Use -1 to disable this safety feature.  -->
     <integer name="config_dreamsBatteryLevelDrainCutoff">5</integer>
     <!-- Limit of how long the device can remain unlocked due to attention checking.  -->
-    <integer name="config_attentionMaximumExtension">330000</integer> <!-- 5 minutes and 30 sec.-->
+    <integer name="config_attentionMaximumExtension">900000</integer> <!-- 15 minutes.  -->
 
     <!-- ComponentName of a dream to show whenever the system would otherwise have
          gone to sleep.  When the PowerManager is asked to go to sleep, it will instead