diff --git a/source/blender/blenkernel/BKE_geometry_set.hh b/source/blender/blenkernel/BKE_geometry_set.hh
index 2bd15199383..944e9c474f3 100644
--- a/source/blender/blenkernel/BKE_geometry_set.hh
+++ b/source/blender/blenkernel/BKE_geometry_set.hh
@@ -29,9 +29,9 @@ struct GreasePencil;
 namespace blender::bke {
 class AnonymousAttributePropagationInfo;
 class AttributeIDRef;
-class AttributeKind;
+struct AttributeKind;
 class AttributeAccessor;
-class AttributeMetaData;
+struct AttributeMetaData;
 class ComponentAttributeProviders;
 class CurvesEditHints;
 class Instances;