diff --git a/gelbooru_poster.py b/gelbooru_poster.py
index 1a7087e..e5aebed 100644
--- a/gelbooru_poster.py
+++ b/gelbooru_poster.py
@@ -206,7 +206,7 @@ def main():
                 for key in defaults:
                     if key not in cfg_tmp:
                         cfg_tmp[key] = defaults[key]
-                if cfg_tmp['last_run_time'] == -1:
+                if cfg_tmp['last_run_time'] == -1 or cfg_tmp['last_run_time'] > time.time() + 60 * 60: # If last run time is in the future, set it to 1 hour ago
                     cfg_tmp['last_run_time'] = time.time() - 60 * 60
 
                 if cfg_tmp['last_run_time'] != -1 and time.time() - cfg_tmp['last_run_time'] < 60 * 60: