diff --git a/test.sh b/test.sh
index 3b278ab..2adf0e4 100755
--- a/test.sh
+++ b/test.sh
@@ -20,10 +20,10 @@ fi
 
 while getopts ':a:b:c:r:' flag; do
     case "${flag}" in
-        r) $flag=$OPTARG; echo "R - $r" ;;
-        a) $flag=$OPTARG; echo "A - $a" ;;
-        b) $flag=$OPTARG; echo "B - $b" ;;
-        c) $flag=$OPTARG; echo "C - $c" ;;
+        r) r=$OPTARG; echo "R - $r" ;;
+        a) a=$OPTARG; echo "A - $a" ;;
+        b) a=$OPTARG; echo "B - $b" ;;
+        c) a=$OPTARG; echo "C - $c" ;;
    	 	:) echo "Invalid option: $OPTARG requires an argument" 1>&2 ;;
     esac
 done