diff --git a/ui/build/soong.go b/ui/build/soong.go
index 871e637..c4c984f 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -410,6 +410,7 @@
 
 	blueprintCtx := blueprint.NewContext()
 	blueprintCtx.AddIncludeTags(config.GetIncludeTags()...)
+	blueprintCtx.AddSourceRootDirs(config.GetSourceRootDirs()...)
 	blueprintCtx.SetIgnoreUnknownModuleTypes(true)
 	blueprintConfig := BlueprintConfig{
 		soongOutDir: config.SoongOutDir(),