diff --git a/noche/headers/header_base_v1.ini b/noche/headers/header_base_v1.ini
index 0ea58a762ff16b3ead5e6382366f24a0379a8cde..b0be2ea71edba78769f8a69398ebce25cf9a15a1 100644
--- a/noche/headers/header_base_v1.ini
+++ b/noche/headers/header_base_v1.ini
@@ -8,7 +8,7 @@ NAXIS2 =              | [px] Length of data axis 2 (Y)
 EXTEND = True         | FITS file may contain extensions
 BSCALE = 1            | Scale factor applied to data
 BZERO = 32768         | Offset applied to data after scaling
-OBSERVER =            | Observer name
+OBSERVER = UNKNOWN    | Observer name
 
 [Object]
 OBJECT =              | Name of observed object
@@ -39,7 +39,7 @@ OBS-ELEV =            | [m] Observatory altitude above sea level
 FOCUSPOS =            | [um] Focuser position
 FOCUSTEM =            | [C] Focuser temperature
 DEROTANG = 0          | [deg] Rotator angle, if any
-PIERSIDE = "UNKNOWN"  | Side of the camera wrt pier, if any 
+PIERSIDE = UNKNOWN    | Side of the camera wrt pier, if any 
 
 [Imaging]          
 INSTRUME =            | Instrument name
diff --git a/tests/test_core.py b/tests/test_core.py
index 510287f5584254a320ee887d5e0b6bca1b763ba9..eb5dd02b2082d0cc59015d37aaaa940f54e41cae 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -6,8 +6,8 @@ from astropy.io.fits import Header
 class TestNoche(unittest.TestCase):
 
     def setUp(self):
-        self.noche = Noche("noche/data/header_base.ini")
-        self.noche.load_observatory("noche/data/oarpaf.ini", flavor="OARPAF")
+        self.noche = Noche("noche/headers/header_base.ini")
+        self.noche.load_observatory("noche/observatories/oarpaf.ini")
 
     def test_init_creates_header(self):
         self.assertIsInstance(self.noche.header, Header)