diff --git a/helper/matrix_heatmap.py b/helper/matrix_heatmap.py
index c55e42e..8cbcc92 100644
--- a/helper/matrix_heatmap.py
+++ b/helper/matrix_heatmap.py
@@ -41,5 +41,6 @@ def plot_data(matrix_file, show_labels=True, file_out=None, dpi_output=300, dist
     plot_data(args.expression_matrix,
               show_labels=args.show_labels,
               file_out=args.png,
-              dpi_output=args.dpi)
+              dpi_output=args.dpi,
+              distance=args.distance)