diff --git a/debian/bin/gencontrol.py b/debian/bin/gencontrol.py
index 290dbecb8..95a2e6101 100755
--- a/debian/bin/gencontrol.py
+++ b/debian/bin/gencontrol.py
@@ -272,12 +272,13 @@ class Gencontrol(Base):
             image = self.templates["control.image.type-%s" % config_entry_image['type']]
 
         config_entry_xen = self.config.merge('xen', arch, featureset, flavour)
-        p = self.process_packages(self.templates['control.xen-linux-system'], vars)
-        l = PackageRelationGroup()
-        for xen_flavour in config_entry_xen['flavours']:
-            l.append("xen-system-%s" % xen_flavour)
-        p[0]['Depends'].append(l)
-        packages_dummy.extend(p)
+        if config_entry_xen:
+            p = self.process_packages(self.templates['control.xen-linux-system'], vars)
+            l = PackageRelationGroup()
+            for xen_flavour in config_entry_xen['flavours']:
+                l.append("xen-system-%s" % xen_flavour)
+            p[0]['Depends'].append(l)
+            packages_dummy.extend(p)
 
         vars.setdefault('desc', None)