diff --git a/README.md b/README.md
index 2db30fe8..4ebd1439 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Website : [http://www.reactphysics3d.com](http://www.reactphysics3d.com)
 
 Author : Daniel Chappuis
 
-<img src="https://raw.githubusercontent.com/DanielChappuis/reactphysics3d/develop/documentation/UserManual/images/testbed.png" alt="Drawing" height="300" />
+<img src="https://raw.githubusercontent.com/DanielChappuis/reactphysics3d/develop/documentation/UserManual/images/testbed.png" alt="Drawing" height="400" />
 
 ## Features