diff --git a/util-split.R b/util-split.R
index 01eda629..2bce7739 100644
--- a/util-split.R
+++ b/util-split.R
@@ -834,6 +834,9 @@ split.network.time.based.by.ranges = function(network, ranges, remove.isolates =
         }
     )
 
+    # add range information
+    names(nets.split) = if (is.null(names(nets.split))) ranges else names(nets.split)
+
     ## convert ranges to bins
     bins = get.bin.dates.from.ranges(ranges.bounds)
     attr(nets.split, "bins") = bins