diff -r 0fd2a1181a96 -r a6935eea5fd7 indra/newview/llfloaterworldmap.cpp
--- a/indra/newview/llfloaterworldmap.cpp	Thu Aug 04 18:58:21 2011 -0400
+++ b/indra/newview/llfloaterworldmap.cpp	Fri Aug 05 23:31:10 2011 +0300
@@ -1221,6 +1221,12 @@ void LLFloaterWorldMap::onLocationCommit
 	{	// Set the value in the UI if any spaces were removed
 		getChild<LLUICtrl>("location")->setValue(str);
 	}
+
+	// Don't try completing empty name (STORM-1427).
+	if (str.empty())
+	{
+		return;
+	}
 	
 	LLStringUtil::toLower(str);
 	mCompletingRegionName = str;