diff --git a/scripts/pyaudio3dtools/audioarray.py b/scripts/pyaudio3dtools/audioarray.py
index 8fabd5ca1c6a963b79fc1068cbf494874fd01849..4095a74333c006b29273b837c2e20ce29e33a972 100644
--- a/scripts/pyaudio3dtools/audioarray.py
+++ b/scripts/pyaudio3dtools/audioarray.py
@@ -334,8 +334,8 @@ def compare(
                 for i in range(nchannels):
                     tmpfile_ref = Path(tmpdir).joinpath(f"ref_ch{i+1}.wav")
                     tmpfile_test = Path(tmpdir).joinpath(f"test_ch{i+1}.wav")
-                    r48 = resample(ref[:, i], fs, 48000)
-                    t48 = resample(test[:, i], fs, 48000)
+                    r48 = resample(ref[:, i].astype(float), fs, 48000).astype(np.dtype('int16')) # Convert to float for resample, then to int16 for wavfile.write
+                    t48 = resample(test[:, i].astype(float), fs, 48000).astype(np.dtype('int16'))
                     wavfile.write(str(tmpfile_ref), 48000, r48)
                     wavfile.write(str(tmpfile_test), 48000, t48)
                     out = subprocess.check_output([mld, tmpfile_ref, tmpfile_test])