diff --git a/packageurl.go b/packageurl.go
index 997e744..3a706c0 100644
--- a/packageurl.go
+++ b/packageurl.go
@@ -54,7 +54,7 @@ var (
 	// TypeComposer is a pkg:composer purl.
 	TypeComposer = "composer"
 	// TypeDebian is a pkg:deb purl.
-	TypeDebian = "debian"
+	TypeDebian = "deb"
 	// TypeDocker is a pkg:docker purl.
 	TypeDocker = "docker"
 	// TypeGem is a pkg:gem purl.