diff --git a/matlab/reports/@report_series/writeSeriesForGraph.m b/matlab/reports/@report_series/writeSeriesForGraph.m
index ac5e2dee271f09c26568e2f0da9ada8a428fe536..f45f4a92892a3589e0906bd663cb6a998021c767 100644
--- a/matlab/reports/@report_series/writeSeriesForGraph.m
+++ b/matlab/reports/@report_series/writeSeriesForGraph.m
@@ -100,7 +100,7 @@ if ~isempty(o.graphMarker)
             o.graphMarker,o.graphMarkerSize,o.graphMarkerEdgeColor,o.graphMarkerFaceColor);
 end
 if ~isempty(o.graphMiscTikzAddPlotOptions)
-    fprintf(fid, ',%s', o.graphMiscTikzAddPlotOptions)
+    fprintf(fid, ',%s', o.graphMiscTikzAddPlotOptions);
 end
 fprintf(fid,']\ntable[row sep=crcr]{\nx y\\\\\n');
 for i=1:ds.dates.ndat