diff --git a/Makefile b/Makefile
index 2baa46f..30cc9b1 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,9 @@ lidm: $(OBJ)
 	$(CC) -o $@ $^ $(ALLFLAGS) $(LIBS) $(LDFLAGS)
 
 clean:
-	rm -f $(ODIR)/*.o lidm
+	rm -f \
+		$(ODIR)/* \
+		lidm
 
 install: lidm
 	mkdir -p ${DESTDIR}${PREFIX}/bin ${DESTDIR}${PREFIX}/share/man/man{1,5}
diff --git a/services.mk b/services.mk
index c09c360..6b0bc7e 100644
--- a/services.mk
+++ b/services.mk
@@ -26,7 +26,8 @@ install-service:
 	fi
 
 install-service-systemd:
-	install -Dm644 ./assets/services/systemd.service ${DESTDIR}${PREFIX}/lib/systemd/system/lidm.service
+	@sed -e 's|ExecStart=/usr/bin/lidm|ExecStart=${DESTDIR}${PREFIX}/bin/lidm|' ./assets/services/systemd.service > ./dist/lidm.service
+	install -Dm644 ./dist/lidm.service ${DESTDIR}${PREFIX}/lib/systemd/system/lidm.service
 	@printf '\033[1m%s\033[0m\n\n' " don't forget to run 'systemctl enable lidm'"
 install-service-dinit:
 	install -m644 ./assets/services/dinit ${DESTDIR}/etc/dinit.d/lidm