diff --git a/common.php b/common.php
index 04531e9df..8c4b6d479 100644
--- a/common.php
+++ b/common.php
@@ -253,7 +253,7 @@ function file_write($str, $file, $max_size = LOG_MAX_SIZE, $lock = true, $replac
             rename($file, $new_name);
         }
     }
-    if (file_exists($file) && $dir_created = bb_mkdir(dirname($file))) {
+    if (!file_exists($file) && $dir_created = bb_mkdir(dirname($file))) {
         $fp = fopen($file, 'ab+');
     }
     if (isset($fp)) {