diff --git a/.dev-tools/generate-blacklist.sh b/.dev-tools/generate-blacklist.sh
index 1636c1ea5..25f6bbeb3 100755
--- a/.dev-tools/generate-blacklist.sh
+++ b/.dev-tools/generate-blacklist.sh
@@ -258,7 +258,7 @@ rm $_inputdb4
 printf '%s\n' "$_start5" >> "$_tmpnginx5"
 while IFS= read -r LINE
 do
-printf '\t%s%s%s\n' "\b" "${LINE}" "\b" >> "$_tmpnginx5"
+printf '\t%s\n' "${LINE}" >> "$_tmpnginx5"
 done < $_input5
 printf '%s\n' "$_end5"  >> "$_tmpnginx5"
 mv $_tmpnginx5 $_inputdb5
diff --git a/.dev-tools/generate-regex-format-referrers.php b/.dev-tools/generate-regex-format-referrers.php
index 46b35995d..66638397d 100755
--- a/.dev-tools/generate-regex-format-referrers.php
+++ b/.dev-tools/generate-regex-format-referrers.php
@@ -84,7 +84,7 @@ class Generator
         $data = "";
     {
         foreach ($lines as $line) {
-            $data .= "\"~*" . preg_quote($line) . "\" \t1;\n";
+            $data .= "\"~*\b" . preg_quote($line) . "\"\b" "\t1;\n";
         }
         $this->writeToFile($file, $data);
     	}