diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ScatterAggregateHandler.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ScatterAggregateHandler.java
index 425b62a..5f71c80 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ScatterAggregateHandler.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ScatterAggregateHandler.java
@@ -41,7 +41,7 @@ public class ScatterAggregateHandler extends AggregateHandler {
     public String addPlot(final CustomAggregator aggregator, final LineStyle lineStyle, final Optional<String> title) {
 
         final AggregatedData aggregatedData = aggregator.getAggregatedData();
-        return formatln("'%s' using 1:2 %s with %s axes %s %s, \\", //
+        return formatln("'%s' using 1:2 %s with %s axes %s %s, \\", // add ps 2 at the end to increase point size
                 aggregatedData.getDataFile(), //
                 gnuplotTitle(title), //
                 GnuplotLineType.Points, //