diff --git a/ivas_processing_scripts/audiotools/wrappers/esdru.py b/ivas_processing_scripts/audiotools/wrappers/esdru.py
index d7fbd925778d1ab8c5ad33ec28cd7116ed7254f0..92c9a65353467ce08e44661dbcdb65d323675be1 100755
--- a/ivas_processing_scripts/audiotools/wrappers/esdru.py
+++ b/ivas_processing_scripts/audiotools/wrappers/esdru.py
@@ -94,7 +94,6 @@ def esdru(
         )
 
     tmp_input_signal = input.audio
-    tmp_output_signal = np.ones((48000, 2))
 
     with TemporaryDirectory() as tmp_dir:
         tmp_dir = Path(tmp_dir)
@@ -120,10 +119,9 @@ def esdru(
 
         # write temporary file
         write(tmp_input_file, tmp_input_signal, sf)
-        write(tmp_output_file, tmp_output_signal, sf)
 
         # run command
-        run(cmd)
+        run(cmd, cwd=tmp_dir)
 
         tmp_output_signal, out_fs = read(tmp_output_file, 2, sf)