diff --git a/python/plugins/processing/algs/qgis/BasicStatisticsNumbers.py b/python/plugins/processing/algs/qgis/BasicStatisticsNumbers.py
index 9644040c96f5..05d3de65e4f6 100644
--- a/python/plugins/processing/algs/qgis/BasicStatisticsNumbers.py
+++ b/python/plugins/processing/algs/qgis/BasicStatisticsNumbers.py
@@ -116,8 +116,8 @@ def processAlgorithm(self, progress):
                     if value > maxValue:
                         maxValue = value
 
-            values.append(value)
-            sumValue += value
+                values.append(value)
+                sumValue += value
 
             current += 1
             progress.setPercentage(int(current * total))