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-rw-r--r--sc4sc3.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/sc4sc3.scm b/sc4sc3.scm
index a120c5d..9687856 100644
--- a/sc4sc3.scm
+++ b/sc4sc3.scm
@@ -28,7 +28,7 @@
(and (pair? fast)
(let ((fast (cdr fast)))
(or (null? fast)
- (and (pair? fast)
+ (and (pair? fast)
(let ((fast (cdr fast))
(slow (cdr slow)))
(and (not (eq? fast slow))