diff --git a/core/lib/Drupal/Core/Logger/LoggerBase.php b/core/lib/Drupal/Core/Logger/LoggerBase.php
index 77f0190..ddac7b4 100644
--- a/core/lib/Drupal/Core/Logger/LoggerBase.php
+++ b/core/lib/Drupal/Core/Logger/LoggerBase.php
@@ -34,7 +34,7 @@
   protected function parseMessagePlaceholders(&$message, array &$context) {
     $variables = array();
     $has_ps3 = FALSE;
-    if (strpos($message, '{') !== FALSE && strpos($message, '}') > 1) {
+    if (($start = strpos($message, '{')) !== FALSE && strpos($message, '}') > $start) {
       $has_ps3 = TRUE;
       // Replace PS3 messages containing placeholders.
       $message = preg_replace('/\{(.*)\}/', '@$1', $message);
diff --git a/core/tests/Drupal/Tests/Core/Logger/LoggerBaseTest.php b/core/tests/Drupal/Tests/Core/Logger/LoggerBaseTest.php
index 4ad7e56..54cd479 100644
--- a/core/tests/Drupal/Tests/Core/Logger/LoggerBaseTest.php
+++ b/core/tests/Drupal/Tests/Core/Logger/LoggerBaseTest.php
@@ -75,6 +75,11 @@ public function providerTestParseMessagePlaceholders() {
         array('message' => 'User @username created', 'context' => array('@username' => 'Dries')),
         array('message' => 'User @username created', 'context' => array('@username' => 'Dries')),
       ),
+      // Messsage without placeholders but wildcard characters.
+      array(
+        array('message' => 'User W-\\};~{&! created @', 'context' => array('' => '')),
+        array('message' => 'User W-\\};~{&! created @', 'context' => array()),
+      ),
     );
   }