diff --git a/src/core/expression/qgsexpressionutils.cpp b/src/core/expression/qgsexpressionutils.cpp
index 1744e1272380..865055e550de 100644
--- a/src/core/expression/qgsexpressionutils.cpp
+++ b/src/core/expression/qgsexpressionutils.cpp
@@ -350,8 +350,9 @@ QString QgsExpressionUtils::getFilePathValue( const QVariant &value, const QgsEx
 
 ///@endcond
 
-std::tuple<QMetaType::Type, int> QgsExpressionUtils::determineResultType( const QString &expression, const QgsVectorLayer *layer, const QgsFeatureRequest &r, QgsExpressionContext context, bool *foundFeatures )
+std::tuple<QMetaType::Type, int> QgsExpressionUtils::determineResultType( const QString &expression, const QgsVectorLayer *layer, const QgsFeatureRequest &r, const QgsExpressionContext &c, bool *foundFeatures )
 {
+  QgsExpressionContext context = c;
   QgsFeatureRequest request = r;
   QgsExpression exp( expression );
   request.setFlags( ( exp.needsGeometry() ) ?
diff --git a/src/core/expression/qgsexpressionutils.h b/src/core/expression/qgsexpressionutils.h
index b50645f4708d..67fea59714ab 100644
--- a/src/core/expression/qgsexpressionutils.h
+++ b/src/core/expression/qgsexpressionutils.h
@@ -504,7 +504,7 @@ class CORE_EXPORT QgsExpressionUtils
      * \param foundFeatures An optional boolean parameter that will be set when features are found.
      * \since QGIS 3.22
      */
-    static std::tuple<QMetaType::Type, int> determineResultType( const QString &expression, const QgsVectorLayer *layer, const QgsFeatureRequest &request = QgsFeatureRequest(), QgsExpressionContext context = QgsExpressionContext(), bool *foundFeatures = nullptr );
+    static std::tuple<QMetaType::Type, int> determineResultType( const QString &expression, const QgsVectorLayer *layer, const QgsFeatureRequest &request = QgsFeatureRequest(), const QgsExpressionContext &context = QgsExpressionContext(), bool *foundFeatures = nullptr );
 
   private: