diff --git a/lib/tlTimeline/Util.cpp b/lib/tlTimeline/Util.cpp
index 8f71cb268..03f95b590 100644
--- a/lib/tlTimeline/Util.cpp
+++ b/lib/tlTimeline/Util.cpp
@@ -370,7 +370,7 @@ namespace tl
             const file::PathOptions& pathOptions)
         {
             // Recursively iterate over all clips in the timeline.
-            for (auto clip : otioTimeline->children_if<otio::Clip>())
+            for (auto clip : otioTimeline->find_children<otio::Clip>())
             {
                 if (auto externalReference =
                     dynamic_cast<otio::ExternalReference*>(clip->media_reference()))