diff --git a/python/analysis/auto_generated/raster/qgsrastercalculator.sip.in b/python/analysis/auto_generated/raster/qgsrastercalculator.sip.in
index a8a9d052bd65..f2d82bef5a28 100644
--- a/python/analysis/auto_generated/raster/qgsrastercalculator.sip.in
+++ b/python/analysis/auto_generated/raster/qgsrastercalculator.sip.in
@@ -23,7 +23,7 @@ Represents an individual raster layer/band number entry within a raster calculat
 %End
   public:
 
-    static QList<QgsRasterCalculatorEntry> rasterEntries();
+    static QVector<QgsRasterCalculatorEntry> rasterEntries();
 %Docstring
 Creates a list of raster entries from the current project.
 
diff --git a/src/analysis/raster/qgsrastercalculator.cpp b/src/analysis/raster/qgsrastercalculator.cpp
index e5a7155b6f62..1f73d6fd4384 100644
--- a/src/analysis/raster/qgsrastercalculator.cpp
+++ b/src/analysis/raster/qgsrastercalculator.cpp
@@ -351,9 +351,9 @@ QString QgsRasterCalculator::lastError() const
   return mLastError;
 }
 
-QList<QgsRasterCalculatorEntry> QgsRasterCalculatorEntry::rasterEntries()
+QVector<QgsRasterCalculatorEntry> QgsRasterCalculatorEntry::rasterEntries()
 {
-  QList<QgsRasterCalculatorEntry> availableEntries;
+  QVector<QgsRasterCalculatorEntry> availableEntries;
   const QMap<QString, QgsMapLayer *> &layers = QgsProject::instance()->mapLayers();
 
   auto uniqueRasterBandIdentifier = [ & ]( QgsRasterCalculatorEntry & entry ) -> bool
diff --git a/src/analysis/raster/qgsrastercalculator.h b/src/analysis/raster/qgsrastercalculator.h
index cdf91e35d515..cc4136e6294c 100644
--- a/src/analysis/raster/qgsrastercalculator.h
+++ b/src/analysis/raster/qgsrastercalculator.h
@@ -50,7 +50,7 @@ class ANALYSIS_EXPORT QgsRasterCalculatorEntry
      * \return the list of raster entries form the current project
      * \since QGIS 3.6
      */
-    static QList<QgsRasterCalculatorEntry> rasterEntries();
+    static QVector<QgsRasterCalculatorEntry> rasterEntries();
 
     /**
      * Name of entry.
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
index e8ab3241b13c..dc5546ee8ae7 100644
--- a/src/app/qgisapp.cpp
+++ b/src/app/qgisapp.cpp
@@ -5681,7 +5681,7 @@ void QgisApp::showRasterCalculator()
   if ( d.exec() == QDialog::Accepted )
   {
     //invoke analysis library
-    QgsRasterCalculator rc( d.formulaString(), d.outputFile(), d.outputFormat(), d.outputRectangle(), d.outputCrs(), d.numberOfColumns(), d.numberOfRows(), d.rasterEntries() );
+    QgsRasterCalculator rc( d.formulaString(), d.outputFile(), d.outputFormat(), d.outputRectangle(), d.outputCrs(), d.numberOfColumns(), d.numberOfRows(), QgsRasterCalculatorEntry::rasterEntries() );
 
     QProgressDialog p( tr( "Calculating raster expression…" ), tr( "Abort" ), 0, 0 );
     p.setWindowModality( Qt::WindowModal );
diff --git a/src/app/qgsrastercalcdialog.cpp b/src/app/qgsrastercalcdialog.cpp
index efc9014f8467..3b1872c473c9 100644
--- a/src/app/qgsrastercalcdialog.cpp
+++ b/src/app/qgsrastercalcdialog.cpp
@@ -167,7 +167,7 @@ void QgsRasterCalcDialog::setExtentSize( int width, int height, QgsRectangle bbo
 
 void QgsRasterCalcDialog::insertAvailableRasterBands()
 {
-  mAvailableRasterBands = QgsRasterCalculatorEntry::rasterEntries();
+  mAvailableRasterBands = QgsRasterCalculatorEntry::rasterEntries().toList();
   for ( const auto &entry : qgis::as_const( mAvailableRasterBands ) )
   {
     QgsRasterLayer *rlayer = entry.raster;
diff --git a/src/app/qgsrastercalcdialog.h b/src/app/qgsrastercalcdialog.h
index 7b31441dc42e..09111983c3ef 100644
--- a/src/app/qgsrastercalcdialog.h
+++ b/src/app/qgsrastercalcdialog.h
@@ -53,8 +53,9 @@ class APP_EXPORT QgsRasterCalcDialog: public QDialog, private Ui::QgsRasterCalcD
     /**
      * Extract raster layer information from the current project
      * \return a vector of raster entries from the current project
+     * \deprecated since QGIS 3.6 use QgsRasterCalculatorEntry::rasterEntries() instead
      */
-    QVector<QgsRasterCalculatorEntry> rasterEntries() const;
+    Q_DECL_DEPRECATED QVector<QgsRasterCalculatorEntry> rasterEntries() const;
 
   private slots:
     void mRasterBandsListWidget_itemDoubleClicked( QListWidgetItem *item );
diff --git a/tests/src/analysis/testqgsrastercalculator.cpp b/tests/src/analysis/testqgsrastercalculator.cpp
index 663b61f46b8a..9590243ae4f6 100644
--- a/tests/src/analysis/testqgsrastercalculator.cpp
+++ b/tests/src/analysis/testqgsrastercalculator.cpp
@@ -575,7 +575,7 @@ void TestQgsRasterCalculator::testRasterEntries()
   rlayer = new QgsRasterLayer( QStringLiteral( TEST_DATA_DIR ) + "/analysis/slope.tif",  QStringLiteral( "slope2" ) );
   layers << rlayer ;
   QgsProject::instance()->addMapLayers( layers );
-  QList<QgsRasterCalculatorEntry> availableRasterBands = QgsRasterCalculatorEntry::rasterEntries();
+  QVector<QgsRasterCalculatorEntry> availableRasterBands = QgsRasterCalculatorEntry::rasterEntries();
   QMap<QString, QgsRasterCalculatorEntry> entryMap;
   for ( const auto &rb : qgis::as_const( availableRasterBands ) )
   {