diff --git a/public/biopet-framework/src/main/resources/nl/lumc/sasc/biopet/extensions/rscript/plotXY.R b/public/biopet-framework/src/main/resources/nl/lumc/sasc/biopet/extensions/rscript/plotXY.R
index e1d27c2f4d6068f70be4d5f81378f36a9492cc68..eee20c030b280c9246ce77428d3415173ea1b796 100644
--- a/public/biopet-framework/src/main/resources/nl/lumc/sasc/biopet/extensions/rscript/plotXY.R
+++ b/public/biopet-framework/src/main/resources/nl/lumc/sasc/biopet/extensions/rscript/plotXY.R
@@ -34,6 +34,7 @@ ggplot(DF1, aes(x = Rank, y = value, group = variable, color = variable)) +
   guides(fill=guide_legend(title=arguments$llabel)) +
   theme(axis.text.x = element_text(angle = 90, hjust = 1, size = 8)) +
   ggtitle(arguments$title) +
+  theme_bw() +
   geom_line()
 
 dev.off()