diff --git a/internal/internal.go b/internal/internal.go
index 735d6af..4a59c59 100644
--- a/internal/internal.go
+++ b/internal/internal.go
@@ -15,6 +15,10 @@ func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration
 	}
 
 	d := minBackoff << uint(retry)
+	if d < minBackoff {
+		return maxBackoff
+	}
+
 	d = minBackoff + time.Duration(rand.Int63n(int64(d)))
 
 	if d > maxBackoff || d < minBackoff {