diff --git a/android/variable.go b/android/variable.go
index 8c5c0bc..04cc205 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -461,7 +461,8 @@
 
 	IgnorePrefer32OnDevice bool `json:",omitempty"`
 
-	IncludeTags []string `json:",omitempty"`
+	IncludeTags    []string `json:",omitempty"`
+	SourceRootDirs []string `json:",omitempty"`
 }
 
 func boolPtr(v bool) *bool {