diff --git a/bootstrap/bootstrap.go b/bootstrap/bootstrap.go
index 13c6a0b..e90940e 100644
--- a/bootstrap/bootstrap.go
+++ b/bootstrap/bootstrap.go
@@ -691,7 +691,8 @@ func (s *singleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
 			// soong_ui explicitly requests what it wants to be build. This is
 			// because the same Ninja file contains instructions to run
 			// soong_build, run bp2build and to generate the JSON module graph.
-			Optional: true,
+			Optional:    true,
+			Description: i.Description,
 		})
 	}
 
diff --git a/bootstrap/config.go b/bootstrap/config.go
index 6d596bc..4978410 100644
--- a/bootstrap/config.go
+++ b/bootstrap/config.go
@@ -105,7 +105,8 @@ const (
 )
 
 type PrimaryBuilderInvocation struct {
-	Inputs  []string
-	Outputs []string
-	Args    []string
+	Inputs      []string
+	Outputs     []string
+	Args        []string
+	Description string
 }