diff --git a/src/usbinstall.sh b/src/usbinstall.sh
index f76e4a0..f2c7284 100755
--- a/src/usbinstall.sh
+++ b/src/usbinstall.sh
@@ -191,7 +191,7 @@ fi
 # Check if Arg 3 is valid
 if [ -f "$3" ]; then	# Check if is a file
 	if [ -r "$3" ]; then	# Chek is is readable
-		SELECT_ISO=$3
+		SELECT_ISO=`readlink -f $3`
 	else
 		errorAndExit "Error(Arg 3): \"$3\" is not readable" 1
 	fi