diff --git a/moviepy/tools.py b/moviepy/tools.py
index b42afd0e6..2e41fe501 100644
--- a/moviepy/tools.py
+++ b/moviepy/tools.py
@@ -156,7 +156,7 @@ def deprecated_func(*args, **kwargs):
     "mp3": {"type": "audio", "codec": ["libmp3lame"]},
     "wav": {"type": "audio", "codec": ["pcm_s16le", "pcm_s24le", "pcm_s32le"]},
     "m4a": {"type": "audio", "codec": ["libfdk_aac"]},
-    "flac":{"type": "audio", "codec": ["flac"]}
+    "flac": {"type": "audio", "codec": ["flac"]},
 }
 
 for ext in ["jpg", "jpeg", "png", "bmp", "tiff"]:
diff --git a/moviepy/video/io/ffmpeg_writer.py b/moviepy/video/io/ffmpeg_writer.py
index 1fe28401d..8ffdb60b6 100644
--- a/moviepy/video/io/ffmpeg_writer.py
+++ b/moviepy/video/io/ffmpeg_writer.py
@@ -121,7 +121,12 @@ def __init__(
         if audiofile is not None:
             cmd.extend(["-i", audiofile, "-acodec", "copy"])
 
-        cmd.extend(["-vcodec", codec, "-preset", preset])
+        if codec == "h264_nvenc":
+            cmd.extend(["-c:v", codec])
+        else:
+            cmd.extend(["-vcodec", codec])
+
+        cmd.extend(["-preset", preset])
 
         if ffmpeg_params is not None:
             cmd.extend(ffmpeg_params)
@@ -136,7 +141,11 @@ def __init__(
         if codec == "libvpx" and with_mask:
             cmd.extend(["-pix_fmt", "yuva420p"])
             cmd.extend(["-auto-alt-ref", "0"])
-        elif (codec == "libx264") and (size[0] % 2 == 0) and (size[1] % 2 == 0):
+        elif (
+            (codec == "libx264" or codec == "h264_nvenc")
+            and (size[0] % 2 == 0)
+            and (size[1] % 2 == 0)
+        ):
             cmd.extend(["-pix_fmt", "yuva420p"])
 
         cmd.extend([ffmpeg_escape_filename(filename)])