diff --git a/ivas_processing_scripts/audiotools/wrappers/masaRenderer.py b/ivas_processing_scripts/audiotools/wrappers/masaRenderer.py
index b6aa1c9ee4840947989f3fa2e8a40584216146ff..7e52d66466e1b53900e19babf06be973c0213796 100755
--- a/ivas_processing_scripts/audiotools/wrappers/masaRenderer.py
+++ b/ivas_processing_scripts/audiotools/wrappers/masaRenderer.py
@@ -56,7 +56,9 @@ def ivasRendMasa(
     masa : MetadataAssistedSpatialAudio
         Input MASA audio
     out_fmt: str
-        Desired output format (only 5_1, 7_1_4 and BINAURAL supported)
+        Desired output format
+    trajectory: Path
+        Head rotation trajectory
 
     Returns
     -------
diff --git a/ivas_processing_scripts/processing/ivas.py b/ivas_processing_scripts/processing/ivas.py
index 972f0c963afd78532b94e6823747e5e52e42d93b..c2e728e6e2379c05d7b0e29827578602adf9375e 100755
--- a/ivas_processing_scripts/processing/ivas.py
+++ b/ivas_processing_scripts/processing/ivas.py
@@ -555,6 +555,9 @@ class IVAS_rend(Processing):
             rend_cfg_file = self.render_config_dir.joinpath(f"{rend_cfg_name}.wav.cfg")
             cmd.extend(["-render_config", rend_cfg_file])
 
+        # remove MASA number of directions
+        in_fmt = self.in_fmt.name.replace("DIR1", "").replace("DIR2", "")
+
         cmd.extend(
             [
                 "-fs",
@@ -562,7 +565,7 @@ class IVAS_rend(Processing):
                 "-i",
                 str(in_file),
                 "-if",
-                self.in_fmt.name,
+                in_fmt,
                 "-o",
                 str(out_file),
                 "-of",