diff --git a/python/PyQt6/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in b/python/PyQt6/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in
index aa172b6499e2..4083d074ded4 100644
--- a/python/PyQt6/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in
+++ b/python/PyQt6/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in
@@ -96,7 +96,7 @@ Merges the current statistics with the statistics from ``stats``
 Converts the current statistics object into JSON object
 %End
 
-    static QgsPointCloudStatistics fromStatisticsJson( QByteArray stats );
+    static QgsPointCloudStatistics fromStatisticsJson( const QByteArray &stats );
 %Docstring
 Creates a statistics object from the JSON object ``stats``
 %End
diff --git a/python/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in b/python/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in
index aa172b6499e2..4083d074ded4 100644
--- a/python/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in
+++ b/python/core/auto_generated/pointcloud/qgspointcloudstatistics.sip.in
@@ -96,7 +96,7 @@ Merges the current statistics with the statistics from ``stats``
 Converts the current statistics object into JSON object
 %End
 
-    static QgsPointCloudStatistics fromStatisticsJson( QByteArray stats );
+    static QgsPointCloudStatistics fromStatisticsJson( const QByteArray &stats );
 %Docstring
 Creates a statistics object from the JSON object ``stats``
 %End
diff --git a/src/core/pointcloud/qgspointcloudstatistics.cpp b/src/core/pointcloud/qgspointcloudstatistics.cpp
index ee33c1ec0e61..09008058c6df 100644
--- a/src/core/pointcloud/qgspointcloudstatistics.cpp
+++ b/src/core/pointcloud/qgspointcloudstatistics.cpp
@@ -160,7 +160,7 @@ QByteArray QgsPointCloudStatistics::toStatisticsJson() const
   return statsDoc.toJson( QJsonDocument::Compact );
 }
 
-QgsPointCloudStatistics QgsPointCloudStatistics::fromStatisticsJson( QByteArray statsByteArray )
+QgsPointCloudStatistics QgsPointCloudStatistics::fromStatisticsJson( const QByteArray &statsByteArray )
 {
   QJsonParseError error;
   QJsonDocument document = QJsonDocument::fromJson( statsByteArray, &error );
diff --git a/src/core/pointcloud/qgspointcloudstatistics.h b/src/core/pointcloud/qgspointcloudstatistics.h
index 299bccea226f..737677feae5e 100644
--- a/src/core/pointcloud/qgspointcloudstatistics.h
+++ b/src/core/pointcloud/qgspointcloudstatistics.h
@@ -123,7 +123,7 @@ class CORE_EXPORT QgsPointCloudStatistics
     QByteArray toStatisticsJson() const;
 
     //! Creates a statistics object from the JSON object \a stats
-    static QgsPointCloudStatistics fromStatisticsJson( QByteArray stats );
+    static QgsPointCloudStatistics fromStatisticsJson( const QByteArray &stats );
 
 #ifndef SIP_RUN
     //! Returns a map object containing all the statistics