diff --git a/build/build.go b/build/build.go
index 02f1db48..7a1c9faf 100644
--- a/build/build.go
+++ b/build/build.go
@@ -7,6 +7,8 @@ type Build interface {
 	Package(*Source) (*Package, error)
 	// Remove removes the package
 	Remove(*Package) error
+	// Implementation of build
+	String() string
 }
 
 // Source is the source of a build