diff --git a/Makefile b/Makefile
index 1e384f7..8ae37f1 100644
--- a/Makefile
+++ b/Makefile
@@ -16,6 +16,8 @@ R = helloworld/R.java
 # Resources:
 # https://www.hanshq.net/command-line-android.html
 
+all: $(PROJECT).apk
+
 $(PROJECT).apk: keystore.jks
 
 .aligned.apk: