diff --git a/python/core/raster/qgsrasterhistogram.sip b/python/core/raster/qgsrasterhistogram.sip
index a1ecb6c8ffc..014f41e19a9 100644
--- a/python/core/raster/qgsrasterhistogram.sip
+++ b/python/core/raster/qgsrasterhistogram.sip
@@ -47,7 +47,7 @@ class QgsRasterHistogram
  Whether histogram includes out of range values (in first and last bin)
 %End
 
-    HistogramVector histogramVector;
+    QgsRasterHistogram::HistogramVector histogramVector;
 %Docstring
  Store the histogram for a given layer
 .. note::
diff --git a/src/core/raster/qgsrasterhistogram.h b/src/core/raster/qgsrasterhistogram.h
index 73dbe34cf64..14825218d31 100644
--- a/src/core/raster/qgsrasterhistogram.h
+++ b/src/core/raster/qgsrasterhistogram.h
@@ -74,7 +74,7 @@ class CORE_EXPORT QgsRasterHistogram
     /** \brief Store the histogram for a given layer
       * \note not available via Python binding
       */
-    HistogramVector histogramVector;
+    QgsRasterHistogram::HistogramVector histogramVector;
 
     //! \brief The maximum histogram value.
     double maximum;