Value insert seperate to have domain

nifty5/library/smooth_linear_amplitude.py

@@ -215,9 +215,9 @@ def SLAmplitude(*, target, n_pix, a, k0, sm, sv, im, iv, za=None, zq=None,
         # Go from loglog-space to linear-linear-space
         return et @ loglog_ampl.exp()
     else:
-        zero_mode = (
-            ValueInserter(et.target, (0,)*len(et.target.shape)) @
-            InverseGammaOperator(et.target, za, zq).ducktape(keys[2]))
+        zero_mode = ValueInserter(et.target, (0,)*len(et.target.shape))
+        zero_mode = ( zero_mode @
+            InverseGammaOperator(zero_mode.domain, za, zq).ducktape(keys[2]))
 
         mask = np.ones(et.target.shape)
         mask[(0,)*len(et.target.shape)] = 0.