diff --git a/src/web/actions/create_post.rs b/src/web/actions/create_post.rs
index d9253c0..7ea635a 100644
--- a/src/web/actions/create_post.rs
+++ b/src/web/actions/create_post.rs
@@ -322,13 +322,15 @@ pub async fn check_spam(
         return Err(NekrochanError::FloodError);
     }
 
-    let last_thread: i64 = ctx.cache().get(format!("last_thread:{ip}")).await?;
+    let last_thread: Option<i64> = ctx.cache().get(format!("last_thread:{ip}")).await?;
 
-    let since_last_thread = Utc::now().timestamp_micros() - last_thread;
-    let since_last_thread = Duration::microseconds(since_last_thread);
+    if let Some(last_thread) = last_thread {
+        let since_last_thread = Utc::now().timestamp_micros() - last_thread;
+        let since_last_thread = Duration::microseconds(since_last_thread);
 
-    if since_last_thread.num_seconds() < board.config.thread_cooldown {
-        return Err(NekrochanError::FloodError);
+        if since_last_thread.num_seconds() < board.config.thread_cooldown {
+            return Err(NekrochanError::FloodError);
+        }
     }
 
     Ok(())