diff --git a/crontabs.spec b/crontabs.spec
index 6b15ea1..9381610 100644
--- a/crontabs.spec
+++ b/crontabs.spec
@@ -25,9 +25,9 @@ rm -rf $RPM_BUILD_ROOT
 mkdir -p $RPM_BUILD_ROOT/etc/cron.{hourly,daily,weekly,monthly}
 mkdir -p $RPM_BUILD_ROOT/usr/bin
 
-install -m644 ./crontab $RPM_BUILD_ROOT/etc/crontab
-install -m755 ./run-parts $RPM_BUILD_ROOT/usr/bin/run-parts
-install -m755 ./000-delay.cron $RPM_BUILD_ROOT/etc/cron.daily/000-delay.cron
+install -m644 $RPM_SOURCE_DIR/crontab $RPM_BUILD_ROOT/etc/crontab
+install -m755 $RPM_SOURCE_DIR/run-parts $RPM_BUILD_ROOT/usr/bin/run-parts
+install -m755 $RPM_SOURCE_DIR/000-delay.cron $RPM_BUILD_ROOT/etc/cron.daily/000-delay.cron
 ln -s ../cron.daily/000-delay.cron $RPM_BUILD_ROOT/etc/cron.weekly/000-delay.cron
 ln -s ../cron.daily/000-delay.cron $RPM_BUILD_ROOT/etc/cron.monthly/000-delay.cron