diff --git a/src/core/pointcloud/qgspointcloudeditingindex.cpp b/src/core/pointcloud/qgspointcloudeditingindex.cpp
index 6287e07c765..b1fe6fd2905 100644
--- a/src/core/pointcloud/qgspointcloudeditingindex.cpp
+++ b/src/core/pointcloud/qgspointcloudeditingindex.cpp
@@ -20,7 +20,6 @@
 
 
 QgsPointCloudEditingIndex::QgsPointCloudEditingIndex( QgsPointCloudLayer *layer )
-  : mIndex( layer ? layer->index() : QgsPointCloudIndex() )
 {
   if ( !layer ||
        !layer->dataProvider() ||
@@ -28,6 +27,8 @@ QgsPointCloudEditingIndex::QgsPointCloudEditingIndex( QgsPointCloudLayer *layer
        !( layer->dataProvider()->capabilities() & QgsPointCloudDataProvider::Capability::ChangeAttributeValues ) )
     return;
 
+  mIndex = layer->dataProvider()->index();
+
   mAttributes = mIndex.attributes();
   mScale = mIndex.scale();
   mOffset = mIndex.offset();
diff --git a/src/core/pointcloud/qgspointcloudlayereditutils.cpp b/src/core/pointcloud/qgspointcloudlayereditutils.cpp
index 1a59aa88bbb..3018cb0073a 100644
--- a/src/core/pointcloud/qgspointcloudlayereditutils.cpp
+++ b/src/core/pointcloud/qgspointcloudlayereditutils.cpp
@@ -74,7 +74,7 @@ bool QgsPointCloudLayerEditUtils::changeAttributeValue( const QgsPointCloudNodeI
   for ( int i : sortedPoints )
   {
     // replace attribute for selected point
-    lazStoreToStream_( ptr, i * recordSize + attributeOffset, attribute.type(), value );
+    lazStoreToStream_<double>( ptr, i * recordSize + attributeOffset, attribute.type(), value );
   }
 
   return mIndex.updateNodeData( {{n, data}} );;