diff --git a/includes/database/log.inc b/includes/database/log.inc
index 2ad5a8b2e6f..065d2f0d79d 100644
--- a/includes/database/log.inc
+++ b/includes/database/log.inc
@@ -145,7 +145,7 @@ class DatabaseLog {
     $stack = debug_backtrace();
     $stack_count = count($stack);
     for ($i = 0; $i < $stack_count; ++$i) {
-      if (strpos($stack[$i]['file'], 'includes/database') === FALSE) {
+      if (strpos($stack[$i]['file'], 'includes' . DIRECTORY_SEPARATOR . 'database') === FALSE) {
         return array(
           'file' => $stack[$i]['file'],
           'line' => $stack[$i]['line'],
@@ -156,4 +156,4 @@ class DatabaseLog {
       }
     }
   }
-}
\ No newline at end of file
+}