diff --git a/android/variable.go b/android/variable.go
index b2173ec..ec4d0ea 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -522,6 +522,8 @@
 	OemProperties []string `json:",omitempty"`
 
 	ArtTargetIncludeDebugBuild *bool `json:",omitempty"`
+
+	SystemPropFiles []string `json:",omitempty"`
 }
 
 type PartitionQualifiedVariablesType struct {