diff --git a/fax.sh b/fax.sh
index 8f7824b..82194bd 100755
--- a/fax.sh
+++ b/fax.sh
@@ -63,7 +63,7 @@ echo -n "Sending file ${FILE} "
 REC=$(echo "$REC0" | sed -e 's:[^+0-9]::g' -e 's:^0\([1-9]\):+49\1:')
 echo "to $REC"
 #Checking for file size:
-if [ ! -e $FILE ]
+if [ ! -e "$FILE" ]
 then
 	echo "File not found"
 	exit 2