diff --git a/java/androidmk.go b/java/androidmk.go
index 784fa29..e7a384f 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -340,6 +340,9 @@
 				// App module names can be overridden.
 				entries.SetString("LOCAL_MODULE", app.installApkName)
 				entries.SetBoolIfTrue("LOCAL_UNINSTALLABLE_MODULE", app.appProperties.PreventInstall)
+				if app.headerJarFile != nil {
+					entries.SetPath("LOCAL_SOONG_HEADER_JAR", app.headerJarFile)
+				}
 				entries.SetPath("LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE", app.exportPackage)
 				if app.dexJarFile.IsSet() {
 					entries.SetPath("LOCAL_SOONG_DEX_JAR", app.dexJarFile.Path())