diff --git a/multicodec.go b/multicodec.go
index 568c777..cd3f4c4 100644
--- a/multicodec.go
+++ b/multicodec.go
@@ -1,6 +1,7 @@
 package dagpb
 
 import (
+	"fmt"
 	"io"
 
 	ipld "github.com/ipld/go-ipld-prime"
@@ -17,6 +18,7 @@ var (
 func init() {
 	multicodec.RegisterDecoder(0x70, Decode)
 	multicodec.RegisterEncoder(0x70, Encode)
+	fmt.Println("REGISTERED DAG-PB!")
 }
 
 // AddSupportToChooser takes an existing node prototype chooser and subs in