diff --git a/provenance/provenance_singleton.go b/provenance/provenance_singleton.go
index 142364a..e49f3d4 100644
--- a/provenance/provenance_singleton.go
+++ b/provenance/provenance_singleton.go
@@ -60,27 +60,28 @@
 }
 
 type provenanceInfoSingleton struct {
+	mergedMetaDataFile android.OutputPath
 }
 
-func (b *provenanceInfoSingleton) GenerateBuildActions(context android.SingletonContext) {
+func (p *provenanceInfoSingleton) GenerateBuildActions(context android.SingletonContext) {
 	allMetaDataFiles := make([]android.Path, 0)
 	context.VisitAllModulesIf(moduleFilter, func(module android.Module) {
 		if p, ok := module.(ProvenanceMetadata); ok {
 			allMetaDataFiles = append(allMetaDataFiles, p.ProvenanceMetaDataFile())
 		}
 	})
-	mergedMetaDataFile := android.PathForOutput(context, "provenance_metadata.textproto")
+	p.mergedMetaDataFile = android.PathForOutput(context, "provenance_metadata.textproto")
 	context.Build(pctx, android.BuildParams{
 		Rule:        mergeProvenanceMetaData,
 		Description: "merge provenance metadata",
 		Inputs:      allMetaDataFiles,
-		Output:      mergedMetaDataFile,
+		Output:      p.mergedMetaDataFile,
 	})
 
 	context.Build(pctx, android.BuildParams{
 		Rule:        blueprint.Phony,
 		Description: "phony rule of merge provenance metadata",
-		Inputs:      []android.Path{mergedMetaDataFile},
+		Inputs:      []android.Path{p.mergedMetaDataFile},
 		Output:      android.PathForPhony(context, "provenance_metadata"),
 	})
 
@@ -112,3 +113,9 @@
 
 	return artifactMetaDataFile
 }
+
+func (p *provenanceInfoSingleton) MakeVars(ctx android.MakeVarsContext) {
+	ctx.DistForGoal("droidcore", p.mergedMetaDataFile)
+}
+
+var _ android.SingletonMakeVarsProvider = (*provenanceInfoSingleton)(nil)