diff --git a/Makefile b/Makefile
index bb2cf85..85a6d06 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,9 @@ BINDIR ?= $(PREFIX)/bin
 DATADIR ?= $(PREFIX)/share
 CONFDIR = /etc
 
-install:
+target/release/lightdm-mobile-greeter: src/main.rs
 	cargo build --release
+build: target/release/lightdm-mobile-greeter
+install: build
 	install -Dm755 target/release/lightdm-mobile-greeter -t $(DESTDIR)$(BINDIR)
 	install -Dm644 lightdm-mobile-greeter.desktop -t $(DESTDIR)$(DATADIR)/xgreeters