diff --git a/flake.nix b/flake.nix
index 0cce969..da7e765 100644
--- a/flake.nix
+++ b/flake.nix
@@ -34,6 +34,7 @@
 
             pkg-config
             libaom
+            libavif
           ];
         };
       });
diff --git a/mp4.go b/mp4.go
index 4227807..bfed208 100644
--- a/mp4.go
+++ b/mp4.go
@@ -731,7 +731,7 @@ func muxFrame(w io.Writer, m image.Image, subsampling image.YCbCrSubsampleRatio,
 	metadata := boxMETA{
 		theHandler: boxHDLR{
 			handlerType: itemTypePICT,
-			name:        "go-avif v0",
+			name:        "tulpa.dev/cadey/avif v0",
 		},
 		primaryResource: boxPITM{itemID: 1},
 		itemLocations: boxILOC{