diff --git a/README.md b/README.md
index 29cac69..df179e5 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ Put
 alias fax="/your/path/to/this/project/fax.sh"
 alias faxstatus="/your/path/to/this/project/status.sh"
 alias faxbalance="/your/path/to/this/project/balance.sh"
+# The following is obsolete, but for documentation/compatibility reasons:
 fax-from-handle () { fax $1 "$(/your/path/to/this/project/Letterhead/Adressen/address.sh -f $2)"; }
 ```
 into your `.bashrc` or `.bash_aliases`
diff --git a/fax.sh b/fax.sh
index 248f92f..7eed1f3 100755
--- a/fax.sh
+++ b/fax.sh
@@ -57,7 +57,7 @@ echo -n "Sending file ${FILE} "
 REC=$(echo "$REC0" | sed -e 's:[^+0-9]::g' -e 's:^0\([1-9]\):+49\1:')
 echo "to $REC"
 #Checking for file size:
-SIZE=$(ls -l $FILE | cut -d " " -f5)
+SIZE=$(stat -c%s "$FILE")
 if [ $SIZE -gt 10485760 ]
 then
 	echo "File too big. Cannot be more than 10MB."