diff --git a/vespa/kepler.py b/vespa/kepler.py
index <HASH>..<HASH> 100644
--- a/vespa/kepler.py
+++ b/vespa/kepler.py
@@ -79,7 +79,7 @@ def kepler_starfield_file(koi):
     chips,ras,decs = np.loadtxt(CHIPLOC_FILE,unpack=True)
     ds = ((c.ra.deg-ras)**2 + (c.dec.deg-decs)**2)
     chip = chips[np.argmin(ds)]
-    return '{}/kepler_starfield_{}'.format(STARFIELD_DIR,chip)
+    return '{}/kepler_starfield_{}.h5'.format(STARFIELD_DIR,chip)
 
 
 def pipeline_weaksec(koi):
added h5 filename to kepler_starfield_file