diff --git a/cloudcontrol/node/host/tags.py b/cloudcontrol/node/host/tags.py
index e052f21713b978800a7679dbbf0c91f44e61c54a..91554feabdd3669f76be3a868f057661f5b799e1 100644
--- a/cloudcontrol/node/host/tags.py
+++ b/cloudcontrol/node/host/tags.py
@@ -213,9 +213,8 @@ def plugins(handler):
 
 # HKVM related tags
 def hkvmver():
-    """HKVM version."""
-    fields = dict(x.split(': ', 1) for x in open('/etc/isimage').read().split('\n') if x.strip())
-    return int(fields['image version'])
+    """HKVM version and patch level."""
+    return open('/etc/hkvm_version').read().strip()
 
 
 def hkvmsetup():