diff --git a/ui/build/config.go b/ui/build/config.go
index 530c3a8..5622dff 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -44,10 +44,11 @@
 	skipMake   bool
 
 	// From the product config
-	katiArgs     []string
-	ninjaArgs    []string
-	katiSuffix   string
-	targetDevice string
+	katiArgs        []string
+	ninjaArgs       []string
+	katiSuffix      string
+	targetDevice    string
+	targetDeviceDir string
 
 	brokenDupRules bool
 }
@@ -568,3 +569,11 @@
 func (c *configImpl) BuildBrokenDupRules() bool {
 	return c.brokenDupRules
 }
+
+func (c *configImpl) SetTargetDeviceDir(dir string) {
+	c.targetDeviceDir = dir
+}
+
+func (c *configImpl) TargetDeviceDir() string {
+	return c.targetDeviceDir
+}