diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index f4c47af0..8d2bdb21 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -18,7 +18,7 @@ if $(is_unix)
 
 	switch $(osname)
 	{
-		case "Sun*" : OTHERFLAGS = "-lpthread" ;
+		case "Sun*" : OTHERFLAGS = "-lpthread -lrt" ;
 		case "*BSD*" : OTHERFLAGS = "-lpthread" ;
 	}
 }