diff --git a/scripts/_commands.sh b/scripts/_commands.sh
index e269d7e..6769169 100755
--- a/scripts/_commands.sh
+++ b/scripts/_commands.sh
@@ -37,14 +37,14 @@ function qtgui() {
 # command: qr [string]
 # shows a QR code from the string
 function qr() {
-  if [ ${#$1} -eq 0 ]; then
+  if [ ${#1} -eq 0 ]; then
     echo "# Error='missing string'"
   fi
   echo
   echo "Displaying the text:"
   echo "$1"
   echo
-  qrencode -t ANSIUTF8 "${$1}"
+  qrencode -t ANSIUTF8 "${1}"
   echo "(To shrink QR code: MacOS press CMD- / Linux press CTRL-)"
   echo
 }