diff --git a/pyproject.toml b/pyproject.toml
index 94951fd..297ba7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "flit_core.buildapi"
 name = "pyffstream"
 readme = "README.md"
 license = {file = "LICENSE"}
-version = "0.0.29"
+version = "0.0.30"
 authors = [{name = "Gregory Beauregard", email = "pyffstream@gably.net"}]
 dynamic = ["description"]
 keywords = ["ffmpeg", "streaming", "srt", "rtmp"]
diff --git a/src/pyffstream/encode.py b/src/pyffstream/encode.py
index 0eca230..1e57b76 100644
--- a/src/pyffstream/encode.py
+++ b/src/pyffstream/encode.py
@@ -789,7 +789,9 @@ class StaticEncodeVars:
     bound_h: str = "1080"
     kf_target_sec: float = 5.0
     clip_length: str | None = None
-    vencoder: VEncoder = Params.VIDEO_ENCODERS["libx264"]
+    vencoder: VEncoder = dataclasses.field(
+        default_factory=lambda: Params.VIDEO_ENCODERS["libx264"]
+    )
     aencoder: str = "aac"
     encode_preset: str | None = None
     encode_tune: str | None = None