diff --git a/content/index.txt b/content/index.txt
index 1d9a1cee76c62c09550ab768bef3ba08985a01da..bcdd7b48ab4f903867fcf834ce5dd3b627a69499 100644
--- a/content/index.txt
+++ b/content/index.txt
@@ -20,9 +20,9 @@ summarized as follows:
 
 .. raw:: html
 
-    <img src="kwant_workflow1.svgz" style="width:71%;
+    <img src="kwant-workflow1.svgz" style="width:71%;
     float:left; margin-right:2%">
-    <img src="kwant_workflow2.jpg" style="width:27%;">
+    <img src="kwant-workflow2.jpg" style="width:27%;">
 
 Kwant was designed to be easy to use: Section 2 of the `Kwant paper
 <http://downloads.kwant-project.org/doc/kwant-paper.pdf>`_ contains a
diff --git a/content/kwant_workflow1.svgz b/content/kwant-workflow1.svgz
similarity index 100%
rename from content/kwant_workflow1.svgz
rename to content/kwant-workflow1.svgz
diff --git a/content/kwant_workflow2.jpg b/content/kwant-workflow2.jpg
similarity index 100%
rename from content/kwant_workflow2.jpg
rename to content/kwant-workflow2.jpg