diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 7867359e5d..0d4bf14bc2 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -6398,6 +6398,16 @@
       <string>Boolean</string>
       <key>Value</key>
       <integer>0</integer>
+      <key>SanityCheckType</key>
+      <string>Equals</string>
+      <key>SanityValue</key>
+      <array>
+        <integer>0</integer>
+      </array>
+      <key>SanityComment</key>
+      <string>This setting can lead to strange things happening in your conversations floater, personal IMs and group chats.</string>
+      <key>Backup</key>
+      <integer>0</integer>
     </map>  
     <key>IgnorePixelDepth</key>
     <map>