diff --git a/src/engraving/layout/pal/tlayout.cpp b/src/engraving/layout/pal/tlayout.cpp
index 9c33754280130..d6cd96804248a 100644
--- a/src/engraving/layout/pal/tlayout.cpp
+++ b/src/engraving/layout/pal/tlayout.cpp
@@ -201,7 +201,7 @@ void TLayout::layoutItem(EngravingItem* item, LayoutContext& ctx)
 {
     bool found = LayoutVisitor::visit(LayoutTypes {}, item, ctx);
     if (!found) {
-        LOGE() << "not found in lyaout types item: " << item->typeName();
+        LOGE() << "not found in layout types item: " << item->typeName();
         DO_ASSERT(found);
     }
 }
diff --git a/src/engraving/layout/v0/tlayout.cpp b/src/engraving/layout/v0/tlayout.cpp
index e26f58c907a55..78d9b77db862e 100644
--- a/src/engraving/layout/v0/tlayout.cpp
+++ b/src/engraving/layout/v0/tlayout.cpp
@@ -164,7 +164,7 @@ using LayoutTypes = rtti::TypeList<Accidental, ActionIcon, Ambitus, Arpeggio, Ar
                                    BagpipeEmbellishment, BarLine, Beam, Bend, StretchedBend,
                                    HBox, VBox, FBox, TBox, Bracket, Breath,
                                    Chord, ChordLine, Clef, Capo,
-                                   Dynamic, Expression,
+                                   DeadSlapped, Dynamic, Expression,
                                    Fermata, FiguredBass, Fingering, FretDiagram,
                                    Glissando, GlissandoSegment, GradualTempoChange, GradualTempoChangeSegment,
                                    Hairpin, HairpinSegment, HarpPedalDiagram, Harmony, HarmonicMarkSegment, Hook,
@@ -205,7 +205,7 @@ void TLayout::layoutItem(EngravingItem* item, LayoutContext& ctx)
 
     bool found = LayoutVisitor::visit(LayoutTypes {}, item, ctx);
     if (!found) {
-        LOGE() << "not found in lyaout types item: " << item->typeName();
+        LOGE() << "not found in layout types item: " << item->typeName();
         DO_ASSERT(found);
     }
 }
diff --git a/src/engraving/libmscore/deadslapped.h b/src/engraving/libmscore/deadslapped.h
index 63602068fb69d..329f08b1eb900 100644
--- a/src/engraving/libmscore/deadslapped.h
+++ b/src/engraving/libmscore/deadslapped.h
@@ -34,6 +34,8 @@ namespace mu::engraving {
 class DeadSlapped : public EngravingItem
 {
     OBJECT_ALLOCATOR(engraving, DeadSlapped)
+    DECLARE_CLASSOF(ElementType::DEAD_SLAPPED)
+
 public:
 
     ~DeadSlapped() {}