diff --git a/src/state.rs b/src/state.rs
index a3228c81..fb7de2be 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -385,6 +385,11 @@ impl Estimator {
     fn record(&mut self, new: u64, now: Instant) {
         let delta = new.saturating_sub(self.prev.0);
         if delta == 0 || now < self.prev.1 {
+            // Reset on backwards seek to prevent breakage from seeking to the end for length determination
+            // See https://github.com/console-rs/indicatif/issues/480
+            if new < self.prev.0 {
+                self.reset(now);
+            }
             return;
         }
 
@@ -617,8 +622,11 @@ mod tests {
         let mut est = Estimator::new(now);
         est.record(0, now);
         est.record(1, now);
+        assert_eq!(est.len(), 1);
         // Should not panic.
         est.record(0, now);
+        // Assert that the state of the estimator reset on rewind
+        assert_eq!(est.len(), 0);
 
         let pb = ProgressBar::hidden();
         pb.set_length(10);