diff --git a/lasp/lasp_slm.py b/lasp/lasp_slm.py
index 5c9a944..4c3f853 100644
--- a/lasp/lasp_slm.py
+++ b/lasp/lasp_slm.py
@@ -113,9 +113,8 @@ class SLM:
             # No filterbank, means we do only compute the overall values. This
             # means that in case of include_overall, it creates two overall
             # channels. That would be confusing, so we do not allow it.
-            if include_overall:
-                sos = sos_overall[np.newaxis,:]
-                self.nom_txt.append('overall')
+            sos = sos_overall[np.newaxis,:]
+            self.nom_txt.append('overall')
 
         self.slm = pyxSlm(prefilter, sos,
                           fs, tw[0], level_ref_value)