diff --git a/Flashing/flash_ts100_linux.sh b/Flashing/flash_ts100_linux.sh
old mode 100644
new mode 100755
index 5fac37ba..2179ee8e
--- a/Flashing/flash_ts100_linux.sh
+++ b/Flashing/flash_ts100_linux.sh
@@ -37,7 +37,7 @@ function enable_gautomount {
 }
 
 function is_attached {
-    output=`lsblk -b --raw --output NAME,MODEL | grep 'DFU\\\\x20Disk'`
+    output=`lsblk -b --raw --output NAME,MODEL | grep 'DFU.*Disk'`
     if [ $? -ne 0 ]; then
       return 1
     fi