diff --git a/highbeam b/highbeam
index 98b4be9..1ff4e0e 100755
--- a/highbeam
+++ b/highbeam
@@ -100,7 +100,7 @@ done
         }
     } 
     for (( rIndex=0; rIndex<${#RULES[@]}; rIndex++ ));
-    do  REGEX="$REGEX -e 's/\(${RULES[$r]}\)/${RULES[$(( $rIndex + 1 ))]}\1${Z}/${FLAGS}'"
+    do  REGEX="$REGEX -e 's/\(${RULES[$rIndex]}\)/${RULES[$(( $rIndex + 1 ))]}\1${Z}/${FLAGS}'"
         rIndex=$(( $rIndex + 1 ))
     done    
 } || {