diff --git a/indra/llxml/llcontrol.cpp b/indra/llxml/llcontrol.cpp
index 9dc6292cb27c17049adb0e783346da948b9a0c93..6e11a5f6f3471f1d50461c0460e95b6db8caaa8c 100755
--- a/indra/llxml/llcontrol.cpp
+++ b/indra/llxml/llcontrol.cpp
@@ -959,8 +959,20 @@ U32 LLControlGroup::loadFromFile(const std::string& filename, bool set_default_v
 				// LLControlVariable persistent because the 'persistent' flag
 				// is not itself persisted!
 				control->forcePersist();
-				LL_INFOS("LLControlGroup") << "preserving unrecognized user settings variable "
-										   << name << LL_ENDL;
+				// We want to mention unrecognized user settings variables
+				// (e.g. from a newer version of the viewer) in the log. But
+				// we also arrive here for Boolean variables generated by
+				// the notifications subsystem when the user checks "Don't
+				// show me this again." These aren't declared in settings.xml;
+				// they're actually named for the notification they suppress.
+				// We don't want to mention those. Apologies, this is a bit of
+				// a hack: we happen to know that user settings go into an
+				// LLControlGroup whose name is "Global".
+				if (getKey() == "Global")
+				{
+					LL_INFOS("LLControlGroup") << "preserving unrecognized " << getKey()
+											   << " settings variable " << name << LL_ENDL;
+				}
 			}
 		}