diff --git a/android/variable.go b/android/variable.go
index df0e59c..00dcbc4 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -507,6 +507,8 @@
 	OemProperties []string `json:",omitempty"`
 
 	ArtTargetIncludeDebugBuild *bool `json:",omitempty"`
+
+	SystemPropFiles []string `json:",omitempty"`
 }
 
 type PartitionQualifiedVariablesType struct {