diff --git a/rust-whisper-lib/src/lib.rs b/rust-whisper-lib/src/lib.rs
index 4b7e109..08509b6 100644
--- a/rust-whisper-lib/src/lib.rs
+++ b/rust-whisper-lib/src/lib.rs
@@ -230,7 +230,9 @@ impl Impl {
       let result = whispered
          .after(&(self.stream_head * 100.0))
          .before(&(self.stream_tail * 100.0));
-      (self.handler_fn.as_mut().unwrap())(Ok(result));
+      if result.to_string().trim().len() > 0 {
+         (self.handler_fn.as_mut().unwrap())(Ok(result));
+      }
    }
 
    fn on_error(&mut self, msg: String) {