diff --git a/indra/llcommon/lldate.cpp b/indra/llcommon/lldate.cpp
index e3323fcfbf8a78958e438e47a018c42987042e90..de7f2ead74e9774ba86d4a64fe924b9844e0fab7 100644
--- a/indra/llcommon/lldate.cpp
+++ b/indra/llcommon/lldate.cpp
@@ -153,7 +153,7 @@ void LLDate::toStream(std::ostream& s) const
 		  << (int)(exp_time.tm_usec / (LL_APR_USEC_PER_SEC / 100));
 	}
 	s << 'Z'
-	  << setfill(' ');
+	  << std::setfill(' ');
 }
 
 bool LLDate::split(S32 *year, S32 *month, S32 *day, S32 *hour, S32 *min, S32 *sec) const