diff --git a/README.md b/README.md
index 2bd8c5a47ef410b75e4b031fef48bfca303f401f..ba63d149b0ffb6226ba4585066be7684320cebea 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ The simulation process in HTRfit has been optimized to generate RNAseq counts fo
 
 
 <div id="bg"  align="center">
-  <img src="./vignettes/figs/simulation_step.png" width="5" height="3">
+  <img src="./vignettes/figs/simulation_step.png" width="50" height="30">
 </div>