diff --git a/apex/androidmk.go b/apex/androidmk.go
index 7595238..156906d 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -203,6 +203,7 @@
 				panic(fmt.Sprintf("Expected %s to be AndroidAppSet", fi.module))
 			}
 			fmt.Fprintln(w, "LOCAL_APK_SET_MASTER_FILE :=", as.MasterFile())
+			fmt.Fprintln(w, "LOCAL_APKCERTS_FILE :=", as.APKCertsFile().String())
 			fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_android_app_set.mk")
 		case nativeSharedLib, nativeExecutable, nativeTest:
 			fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", fi.Stem())