diff --git a/ivas_processing_scripts/audiotools/wrappers/dlyerr_2_errpat.py b/ivas_processing_scripts/audiotools/wrappers/dlyerr_2_errpat.py
index 624cd28c78b63ac74fb704c1e4b59185dee3026d..ea900a068bcf52e64c0749447e45c168f6edc8ea 100644
--- a/ivas_processing_scripts/audiotools/wrappers/dlyerr_2_errpat.py
+++ b/ivas_processing_scripts/audiotools/wrappers/dlyerr_2_errpat.py
@@ -126,11 +126,11 @@ def dlyerr_2_errpat(
     if late_loss_rate is not None:
         cmd.extend(["-l", str(late_loss_rate)])
     if flag_byte is not None:
-        cmd.extend(["-b", str(flag_byte)])
+        cmd.extend(["-b"])
     if flag_word is not None:
-        cmd.extend(["-w", str(flag_word)])
+        cmd.extend(["-w"])
     if flag_lf is not None:
-        cmd.extend(["-c", str(flag_lf)])
+        cmd.extend(["-c"])
     if delay is not None:
         cmd.extend(["-d", str(delay)])