diff --git a/shell/set_logo.sh b/shell/set_logo.sh
index ed2848c..26f1cc3 100644
--- a/shell/set_logo.sh
+++ b/shell/set_logo.sh
@@ -6,16 +6,24 @@ set -x
 
 # Check if md5sum of /usr/comma/bg.jpg is not equal to md5sum of /data/openpilot/shell/bg.jpg
 if [ "$(md5sum /usr/comma/bg.jpg | awk '{print $1}')" != "$(md5sum /data/openpilot/shell/bg.jpg | awk '{print $1}')" ]; then
-    sudo mount -o remount,rw /
 
     # If /usr/comma/bg.org does not exist
     if [ ! -f /usr/comma/bg.org ]; then
         # Check if md5sum of /usr/comma/bg.jpg contains "642380ba4c0f00b16e9cf6e613f43eec"
         if [[ "$(md5sum /usr/comma/bg.jpg | awk '{print $1}')" == "642380ba4c0f00b16e9cf6e613f43eec" ]]; then
+            sudo mount -o remount,rw /
             sudo cp /usr/comma/bg.jpg /usr/comma/bg.org
         fi
     fi
 
+    if [[ "$(md5sum /usr/comma/bg.org | awk '{print $1}')" != "642380ba4c0f00b16e9cf6e613f43eec" ]]; then
+        sudo mount -o remount,ro /
+        echo failed to backup the correct picture
+        exit
+    fi
+
+    sudo mount -o remount,rw /
+
     # If /usr/comma/bg.org does exist
     if [ -f /usr/comma/bg.org ]; then
         sudo cp -f /data/openpilot/shell/bg.jpg /usr/comma/bg.jpg