diff --git a/MDErrorReporter.php b/MDErrorReporter.php
index b080cde..4c920e6 100644
--- a/MDErrorReporter.php
+++ b/MDErrorReporter.php
@@ -79,7 +79,7 @@ class MDErrorReporter {
     final private function _formulateDebugMailSection(string $headline, array $toFormat, int $level = 0):string {
 
         $msg = "";
-        if (!empty($headline)) {
+        if ($headline !== "") {
             if ($level === 0) {
                 $msg .= PHP_EOL . "## " . $headline;
                 $msg .= PHP_EOL . "----------------------" . PHP_EOL . PHP_EOL;
@@ -147,7 +147,7 @@ class MDErrorReporter {
 =========================
     ";
 
-        if (!empty($contextInfo)) {
+        if ($contextInfo !== []) {
             $msg .= $this->_formulateDebugMailSection("Context information", $contextInfo);
         }