diff --git a/ivas_processing_scripts/processing/ivas.py b/ivas_processing_scripts/processing/ivas.py
index 9008ceef70d52287d4c34b03c22efb43fb54ed8e..d1576d486944ef0c95c75ea861396507eae40922 100755
--- a/ivas_processing_scripts/processing/ivas.py
+++ b/ivas_processing_scripts/processing/ivas.py
@@ -346,13 +346,17 @@ class IVAS(Processing):
             rend_cfg_file = self.render_config_dir.joinpath(f"{rend_cfg_name}.wav.cfg")
             cmd.extend(["-render_config", rend_cfg_file])
 
+        if self.dec_opts:
+            cmd.extend(self.dec_opts)
+
         # add -voip cmdline option to the decoder
         if voip:
             cmd.extend(
                 ["-voip", "-Tracefile", f"{str(out_file).split('.')[0]}.tracefile.csv"]
             )
-        if self.dec_opts:
-            cmd.extend(self.dec_opts)
+
+        if voip and "-no_delay_cmp" not in cmd:
+            cmd.extend(["-no_delay_cmp"])
 
         # use quiet mode
         cmd.extend(["-q"])