diff --git a/admin.php b/admin.php
index f5e4709..0b5f9cd 100644
--- a/admin.php
+++ b/admin.php
@@ -61,8 +61,12 @@
       <input type="password" maxlength="256" name="password" placeholder="Password" />
       <input type="password" maxlength="256" name="password_confirmation" placeholder="Repeat password" />
       <input type="submit" value="Add" />
-      <?php echo "<p> $error_message </p>"; ?>
-      <?php echo "<p>Some server variables...<br />Origin: $_SERVER['HTTP_ORIGIN'] <br />Host: $_SERVER['HTTP_HOST'] <br />Referer: $_SERVER['HTTP_REFERER'] <br />Client IP: $_SERVER['REMOTE_ADDR'] <br />"; ?>
+      <?php
+        if (isset($error_message)) {
+          echo $error_message;
+        }
+        echo "<p>Some server variables...<br />Origin: " . $_SERVER['HTTP_ORIGIN'] . " <br />Host: " . $_SERVER['HTTP_HOST'] . " <br />Referer: " . $_SERVER['HTTP_REFERER'] . " <br />Client IP: " . $_SERVER['REMOTE_ADDR'] . " <br />";
+      ?>
     </form>
   </body>
 </html>