diff --git a/etc/prebuilt_etc.go b/etc/prebuilt_etc.go
index 850c8f95a..57563eb07 100644
--- a/etc/prebuilt_etc.go
+++ b/etc/prebuilt_etc.go
@@ -28,6 +28,8 @@ package etc
 // various `prebuilt_*` mutators.
 
 import (
+	"fmt"
+
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
@@ -208,6 +210,17 @@ func (p *PrebuiltEtc) OutputFile() android.OutputPath {
 	return p.outputFilePath
 }
 
+var _ android.OutputFileProducer = (*PrebuiltEtc)(nil)
+
+func (p *PrebuiltEtc) OutputFiles(tag string) (android.Paths, error) {
+	switch tag {
+	case "":
+		return android.Paths{p.outputFilePath}, nil
+	default:
+		return nil, fmt.Errorf("unsupported module reference tag %q", tag)
+	}
+}
+
 func (p *PrebuiltEtc) SubDir() string {
 	if subDir := proptools.String(p.properties.Sub_dir); subDir != "" {
 		return subDir