diff --git a/install b/install
index 4957dc4e..c332569a 100755
--- a/install
+++ b/install
@@ -741,6 +741,20 @@ else
   FLAG=1
 fi
 
+FILE=/etc/systemd/system/pushbutton.service
+if [ -f "$FILE" ]; then
+  if [[ $(diff /home/pi/CubeSatSim/systemd/pushbutton.service /etc/systemd/system/pushbutton.service) ]]; then
+    echo "changed pushbutton.service."
+    sudo cp /home/pi/CubeSatSim/systemd/pushbutton.service /etc/systemd/system/pushbutton.service
+    FLAG=1
+  else
+    echo "no change to pushbutton.service."
+  fi
+else
+  echo "creating pushbutton.service."
+  sudo cp /home/pi/CubeSatSim/systemd/pushbutton.service /etc/systemd/system/pushbutton.service
+  FLAG=1
+fi
 
 FILE=/etc/asound.conf
 if [ -f "$FILE" ]; then