diff --git a/setup.sh b/setup.sh
index 452efa0..d3d9c5c 100644
--- a/setup.sh
+++ b/setup.sh
@@ -1,5 +1,5 @@
 apt-get update
-apt-get install git cmake make libusb-1.0-0-dev python-dev
+apt-get install git cmake make libusb-1.0-0-dev python-dev at
 git clone https://github.com/nsat/pypredict
 python pypredict/setup.py install
 mkdir sat_scheds