diff --git a/changelog/232.bugfix.rst b/changelog/232.bugfix.rst
new file mode 100644
index 00000000..77af183a
--- /dev/null
+++ b/changelog/232.bugfix.rst
@@ -0,0 +1 @@
+`~sunkit_instruments.response.SourceSpectra.temperature_response` now gives the same result whatever the wavelength unit of the spectra; spectra in units other than Angstrom gave a zero response.
diff --git a/sunkit_instruments/response/tests/test_channel.py b/sunkit_instruments/response/tests/test_channel.py
index 69a95f80..d049d06d 100644
--- a/sunkit_instruments/response/tests/test_channel.py
+++ b/sunkit_instruments/response/tests/test_channel.py
@@ -85,6 +85,15 @@ def test_spectra_repr(fake_spectra):
     assert isinstance(fake_spectra.__repr__(), str)
 
 
+def test_temperature_response_wavelength_unit(fake_channel, fake_spectra):
+    spectra_nm = SourceSpectra(
+        fake_spectra.temperature,
+        fake_spectra.wavelength.to("nm"),
+        fake_spectra.data.to("photon cm3 s-1 sr-1 nm-1"),
+    )
+    assert u.allclose(spectra_nm.temperature_response(fake_channel), fake_spectra.temperature_response(fake_channel))
+
+
 @pytest.mark.parametrize('obstime', [None, '2020-01-01'])
 def test_temperature_response(fake_channel, fake_spectra, obstime):
     temp_response = fake_spectra.temperature_response(fake_channel, obstime=obstime)
diff --git a/sunkit_instruments/response/thermal.py b/sunkit_instruments/response/thermal.py
index 7de91ee5..b66ef396 100644
--- a/sunkit_instruments/response/thermal.py
+++ b/sunkit_instruments/response/thermal.py
@@ -161,8 +161,8 @@ def temperature_response(
             wave_response.to_value(wave_response.unit),
             dims=['wavelength'],
             coords=[xarray.Variable('wavelength',
-                                   channel.wavelength.to_value('Angstrom'),
-                                   attrs={'unit': 'Angstrom'}),],
+                                   channel.wavelength.to_value(self._da.wavelength.unit),
+                                   attrs={'unit': self._da.wavelength.unit}),],
             attrs={'unit': wave_response.unit.to_string()}
         )
         spec_interp = self._da.interp(