diff --git a/apex/androidmk.go b/apex/androidmk.go
index 8cb9896..8929910 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -163,6 +163,7 @@
 			fmt.Fprintln(w, "LOCAL_DEX_PREOPT := false")
 			fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_java_prebuilt.mk")
 		} else if fi.class == app {
+			fmt.Fprintln(w, "LOCAL_CERTIFICATE :=", fi.certificate.AndroidMkString())
 			// soong_app_prebuilt.mk sets LOCAL_MODULE_SUFFIX := .apk  Therefore
 			// we need to remove the suffix from LOCAL_MODULE_STEM, otherwise
 			// we will have foo.apk.apk