diff --git a/fastflix/encoders/vvc/command_builder.py b/fastflix/encoders/vvc/command_builder.py
index 41e01b7a..be04f6dc 100644
--- a/fastflix/encoders/vvc/command_builder.py
+++ b/fastflix/encoders/vvc/command_builder.py
@@ -107,12 +107,12 @@ def get_vvc_params(params=()):
 
     if settings.bitrate:
         command_1 = (
-            f'{beginning} {get_vvc_params(["pass=1", "no-slow-firstpass=1"])} '
-            f'-passlogfile "{pass_log_file}" -b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra if settings.extra_both_passes else ""} '
+            f'{beginning} {get_vvc_params(["pass=1", "rcstatsfile={pass_log_file}"])} '
+            f'-b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra if settings.extra_both_passes else ""} '
             f" -an -sn -dn {output_fps} -f mp4 {null}"
         )
         command_2 = (
-            f'{beginning} {get_vvc_params(["pass=2"])} -passlogfile "{pass_log_file}" '
+            f'{beginning} {get_vvc_params(["pass=2", "rcstatsfile={pass_log_file}"])} '
             f"-b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra} {ending}"
         )
         return [
@@ -122,7 +122,7 @@ def get_vvc_params(params=()):
 
     elif settings.qp:
         command = (
-            f"{beginning} {get_vvc_params()}  -qp:v {settings.qp} "
+            f"{beginning} {get_vvc_params()}  -qp:v {settings.qp} -b:v 0"
             f"-preset:v {settings.preset} {settings.extra} {ending}"
         )
         return [Command(command=command, name="Single pass CRF", exe="ffmpeg")]