diff --git a/src/micado/test/functional/Detrend_test.py b/src/micado/test/functional/Detrend_test.py
index 4cce2383901dabd6d2fe84fd8acb4cbe683bb1bf..a72d6edc0ec9cba9b27228e270d110aef1f6dc3a 100644
--- a/src/micado/test/functional/Detrend_test.py
+++ b/src/micado/test/functional/Detrend_test.py
@@ -11,7 +11,7 @@ from micado.main.ObservingBlock import ObservingBlock
 from micado.hardware.Detector import Detector
 from micado.hardware.DetectorArray import DetectorArray
 from micado.hardware.DarkCurrent import DarkCurrent
-from micado.dataitems.MasterFlat import MasterFlat
+from micado.dataitems.LampFlat import LampFlat
 from micado.dataitems.Science import Science
 from micado.dataitems.ScienceExtension import ScienceExtension
 from micado.dataitems.Detrend import Detrend
@@ -29,9 +29,9 @@ def test_processing():
     Env['use_python_logging'] = True
     myraws, mymasterdark, dark_real = create_masterdark()
 
-    # TODO: Do not reuse the MasterDark as MasterFlat.
+    # TODO: Do not reuse the MasterDark as LampFlat.
     mymasterdark.save_fits()
-    mymasterflat = MasterFlat(filename=mymasterdark.filename)
+    mymasterflat = LampFlat(filename=mymasterdark.filename)
 
     mydetector = Detector()
     mydetectorlist = [mydetector]
@@ -76,7 +76,7 @@ def test_processing():
     mydetrend = Detrend(
         raw=myrawscience,
         masterdark=mymasterdark,
-        masterflat=mymasterflat,
+        lampflat=mymasterflat,
         recipe=myrecipe,
     )
     mydetrend.make()
diff --git a/src/micado/test/functional/ditaa_test.py b/src/micado/test/functional/ditaa_test.py
index ce51d3fcce2eb4f94a39bbed67d7b314cda24d31..710e6d2348e239c8039bfeb32e1123cc7a292f21 100644
--- a/src/micado/test/functional/ditaa_test.py
+++ b/src/micado/test/functional/ditaa_test.py
@@ -60,17 +60,17 @@ ditaa_expected = """
                     |     |cB56               |   |                
                     |     \----------+--------/   |                
                     |                |            |                
-+----------------+  |                |            |                
-|                |  |                |            |                
-| MASTERFLAT_IMG +--|--------------->|            |                
-|c47A            |  |                |            |                
-+----------------+  |                |            |                
++--------------+    |                |            |                
+|              |    |                |            |                
+| LAMPFLAT_IMG +----|--------------->|            |                
+|c47A          |    |                |            |                
++--------------+    |                |            |                
                     |                v            |                
-                    |     /-------------------\   |                
-                    |     |                   |   |                
-                    |     | apply_master_flat |   |                
-                    |     |cB56               |   |                
-                    |     \----------+--------/   |                
+                    |      /-----------------\    |                
+                    |      |                 |    |                
+                    |      | apply_lamp_flat |    |                
+                    |      |cB56             |    |                
+                    |      \---------+-------/    |                
                     |                |            |                
                     +-----------------------------+ +-------------+
                                      |              |             |