diff --git a/src/layerelement.cpp b/src/layerelement.cpp
index 8c36a8f47ea..336f79fc112 100644
--- a/src/layerelement.cpp
+++ b/src/layerelement.cpp
@@ -674,7 +674,7 @@ double LayerElement::GetAlignmentDuration(
         const Tuplet *tuplet = vrv_cast<const Tuplet *>(this->GetFirstAncestor(TUPLET, MAX_TUPLET_DEPTH));
         if (tuplet) {
             ListOfConstObjects objects;
-            ClassIdsComparison ids({ CHORD, NOTE, REST });
+            ClassIdsComparison ids({ CHORD, NOTE, REST, SPACE });
             tuplet->FindAllDescendantsByComparison(&objects, &ids);
             if (objects.size() > 1) {
                 num = tuplet->GetNum();