diff --git a/tests/test_instrument.py b/tests/test_instrument.py
index 1989f50..bb1c163 100644
--- a/tests/test_instrument.py
+++ b/tests/test_instrument.py
@@ -1,6 +1,8 @@
 import os
 import sys
+from glob import glob
 import astropy.units as u
+import sunpy.map
 from suncet_instrument_simulator import config_parser, instrument, make_radiance_maps
 
 root_directory = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
@@ -22,7 +24,9 @@ def setup_instrument_hardware():
     config_filename = os.getcwd() + '/suncet_instrument_simulator/config_files/config_default.ini'
     config = config_parser.Config(config_filename)
     hardware = instrument.Hardware(config)
-    radiance_maps = make_radiance_maps.MakeRadianceMaps(config).run()
+    make_radiance_maps.MakeRadianceMaps(config).run()
+    filenames = glob(os.getenv('suncet_data') + '/mhd/bright_fast/rendered_euv_maps/SunCET_MapSeq_044.fits')
+    radiance_maps = sunpy.map.Map(filenames, sequence=True)
     hardware.store_target_wavelengths(radiance_maps)
     hardware.compute_effective_area()
     return hardware