diff --git a/update b/update
index c98bf161..937ef9be 100755
--- a/update
+++ b/update
@@ -182,7 +182,7 @@ git pull > .updated_p
     FLAG=1
   fi
 
-if [ ! -d "/home/pi/CubeSatSim/telem_string.txt" ]; then
+if [ ! -f "/home/pi/CubeSatSim/telem_string.txt" ]; then
 
   sudo apt-get update && sudo apt-get dist-upgrade -y