diff --git a/src/dht.rs b/src/dht.rs
index 884008a..165e9ec 100644
--- a/src/dht.rs
+++ b/src/dht.rs
@@ -68,6 +68,7 @@ impl<'d, PIO: Instance, const SM: usize> DhtPio<'d, PIO, SM> {
 
         if timeout <= 0 {
             self.sm.restart();
+            self.sm.clear_fifos();
             return Err(DhtError::Timeout);
         }