diff --git a/android/prebuilt.go b/android/prebuilt.go
index 8559df9..0ee1201 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -195,6 +195,10 @@
 	return source == nil || !source.Enabled()
 }
 
+func (p *Prebuilt) SourceExists() bool {
+	return p.properties.SourceExists
+}
+
 func (p *Prebuilt) checkSingleSourceProperties() {
 	if !p.srcProps.IsValid() || p.srcField.Name == "" {
 		panic(fmt.Errorf("invalid single source prebuilt %+v", p))
@@ -215,7 +219,3 @@
 	}
 	return value.String()
 }
-
-func (p *Prebuilt) SourceExists() bool {
-	return p.properties.SourceExists
-}