diff --git a/flatland/utils/rendertools.py b/flatland/utils/rendertools.py
index dc29c434ddb4e164f710c83867b90f9a072b99e9..535f44b4d422ef54a012c838c41d1ff432527e7f 100644
--- a/flatland/utils/rendertools.py
+++ b/flatland/utils/rendertools.py
@@ -424,7 +424,7 @@ class RenderTool(object):
         plt.xticks(gTicks, gLabels)
 
         gTicks = np.arange(-env.height * cell_size, 0) + cell_size/2
-        gLabels = np.arange(env.height, 0, -1)
+        gLabels = np.arange(env.height-1, -1, -1)
         plt.yticks(gTicks, gLabels)
 
         plt.xlim([0, env.width * cell_size])
diff --git a/images/basic-env.png b/images/basic-env.png
index a2cda73e7425888066bf88409a94823c41806e1c..75a145fef094ea38e8148ed1075ae18fffb8f858 100644
Binary files a/images/basic-env.png and b/images/basic-env.png differ
diff --git a/images/env-path.png b/images/env-path.png
index 9027b6da0b79b496afac10869c7713d3ee552d86..d748e12c4c9f548553db70a61d2147db9d6c6da6 100644
Binary files a/images/env-path.png and b/images/env-path.png differ
diff --git a/images/env-tree-spatial.png b/images/env-tree-spatial.png
index 16eff313d318fa1aaa4f0a8a3f7866aba98a3568..255feb209f35a315179dba8121ba81abe8d93c5c 100644
Binary files a/images/env-tree-spatial.png and b/images/env-tree-spatial.png differ