diff --git a/src/Parser/RobotsTxtParser.php b/src/Parser/RobotsTxtParser.php
index e7808f1..1fedb70 100644
--- a/src/Parser/RobotsTxtParser.php
+++ b/src/Parser/RobotsTxtParser.php
@@ -68,6 +68,10 @@ private function parseTxt($txt)
     {
         $result = [];
         $lines = array_map('trim', mb_split('\r\n|\n|\r', $txt));
+        // If robots txt is empty
+        if (empty($lines)) {
+            return false;
+        }
         // Parse each line individually
         foreach ($lines as $key => $line) {
             // Limit rule length