diff --git a/backend_modules/libvirt/host/combustion b/backend_modules/libvirt/host/combustion
index 323bdbf90..aca1e4a1e 100644
--- a/backend_modules/libvirt/host/combustion
+++ b/backend_modules/libvirt/host/combustion
@@ -174,5 +174,10 @@ PACKAGES="$PACKAGES andromeda-dummy milkyway-dummy virgo-dummy timezone wget aaa
 
 zypper --non-interactive install $PACKAGES
 
+%{ if testsuite }
+# full update cause a timeout on deployment
+zypper --non-interactive update --no-recommends iptables
+%{ endif }
+
 # Leave a marker
 echo "Configured with combustion" > /etc/issue.d/combustion