diff --git a/source/_static/images/image-blob-ciao-networking.png b/source/_static/images/image-blob-ciao-networking.png
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diff --git a/source/ciao-cluster-setup.rst b/source/ciao-cluster-setup.rst
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--- a/source/ciao-cluster-setup.rst
+++ b/source/ciao-cluster-setup.rst
@@ -22,7 +22,7 @@ You'll need at least four machines and a switch connecting them to form
 your beginning ciao cluster. The switch is assumed to be plugged directly
 into an "upstream" network running a DHCP server. See the illustration below as an example:
 
-.. image:: _static/images/image-blob-ciao-networking.svg
+.. image:: _static/images/image-blob-ciao-networking.png
 
 The following examples assume you have four nodes on a ``192.168.0.0/16`` network: