diff --git a/internal/photoprism/convert.go b/internal/photoprism/convert.go
index d4e6a9a8e..583399d4d 100644
--- a/internal/photoprism/convert.go
+++ b/internal/photoprism/convert.go
@@ -338,6 +338,7 @@ func (c *Convert) AvcConvertCommand(f *MediaFile, avcName string) (result *exec.
 			"-vf", format,
 			"-num_output_buffers", "32",
 			"-num_capture_buffers", "16",
+			"-crf", "23",
 			"-b:v", c.AvcBitrate(f),
 			"-f", "mp4",
 			avcName,