diff --git a/app/Console/Commands/SablogImport.php b/app/Console/Commands/SablogImport.php
index cd57e15..a49f1e5 100644
--- a/app/Console/Commands/SablogImport.php
+++ b/app/Console/Commands/SablogImport.php
@@ -224,7 +224,7 @@ class SablogImport extends Command
                 'regip' => $row['regip'] ?: null,
                 'logintime' => $row['logintime'] ? date('Y-m-d H:i:s', (int) $row['logintime']) : null,
                 'lastpost_at' => $row['lastpost'] ? date('Y-m-d H:i:s', (int) $row['lastpost']) : null,
-                'created_at' => date('Y-m-d H:i:s', (int) $row['regdateline']),
+                'created_at' => ($ts = (int) $row['regdateline']) > 0 ? date('Y-m-d H:i:s', $ts) : now(),
                 'updated_at' => now(),
             ]);
 
@@ -252,7 +252,7 @@ class SablogImport extends Command
         foreach ($this->rows('articles') as $row) {
             $slug = SlugGenerator::make($row['title'], 'posts', 'slug', ignoreId: (int) $row['articleid'], fallback: 'post-'.$row['articleid']);
             $status = (int) $row['visible'] === 1 ? 'published' : 'draft';
-            $dateline = date('Y-m-d H:i:s', (int) $row['dateline']);
+            $dateline = ($ts = (int) $row['dateline']) > 0 ? date('Y-m-d H:i:s', $ts) : now()->toDateTimeString();
 
             DB::table('posts')->updateOrInsert(['id' => (int) $row['articleid']], [
                 'category_id' => (int) $row['cid'] ?: null,
@@ -325,7 +325,7 @@ class SablogImport extends Command
                 'content' => $row['content'],
                 'ip' => $row['ipaddress'] ?: null,
                 'status' => (int) $row['visible'] === 1 ? 'published' : 'pending',
-                'created_at' => date('Y-m-d H:i:s', (int) $row['dateline']),
+                'created_at' => ($ts = (int) $row['dateline']) > 0 ? date('Y-m-d H:i:s', $ts) : null,
             ]);
             $count++;
         }