diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 1138410a07..500cb280fa 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -12361,7 +12361,7 @@
     <key>Comment</key>
     <string>If TRUE, ambient light has no effect</string>
     <key>Persist</key>
-    <integer>1</integer>
+    <integer>0</integer>
     <key>Type</key>
     <string>Boolean</string>
     <key>Value</key>
@@ -12372,7 +12372,7 @@
     <key>Comment</key>
     <string>If TRUE, sunlight has no effect</string>
     <key>Persist</key>
-    <integer>1</integer>
+    <integer>0</integer>
     <key>Type</key>
     <string>Boolean</string>
     <key>Value</key>
@@ -12383,7 +12383,7 @@
     <key>Comment</key>
     <string>If TRUE, local lights have no effect</string>
     <key>Persist</key>
-    <integer>1</integer>
+    <integer>0</integer>
     <key>Type</key>
     <string>Boolean</string>
     <key>Value</key>