diff --git a/src/tophu/_filter.py b/src/tophu/_filter.py
index ab8b5c5..c86f01e 100644
--- a/src/tophu/_filter.py
+++ b/src/tophu/_filter.py
@@ -171,10 +171,10 @@ def isodd(n: int) -> bool:
 
     # Get filter coefficients.
     coeffs = scipy.signal.remez(
-        numtaps,
-        edgefreqs,
-        gains,
-        weights,
+        numtaps=numtaps,
+        bands=edgefreqs,
+        desired=gains,
+        weight=weights,
         maxiter=maxiter,
         grid_density=grid_density,
         fs=samplerate,