diff --git a/src/core/raster/qgsrasteriterator.h b/src/core/raster/qgsrasteriterator.h
index 64b9cf05301c..d312aa062296 100644
--- a/src/core/raster/qgsrasteriterator.h
+++ b/src/core/raster/qgsrasteriterator.h
@@ -216,7 +216,7 @@ class CORE_EXPORT QgsRasterIterator
      * \see blockCountWidth()
      * \since QGIS 3.42
      */
-    int blockCountHeight() const { return mNumberBlocksWidth; }
+    int blockCountHeight() const { return mNumberBlocksHeight; }
 
     /**
      * Returns the total number of blocks required to iterate over the input raster.