diff --git a/collects/mzlib/private/match/update-counts.scm b/collects/mzlib/private/match/update-counts.scm index ce1b72fb26..f5b2a5adf2 100644 --- a/collects/mzlib/private/match/update-counts.scm +++ b/collects/mzlib/private/match/update-counts.scm @@ -59,7 +59,7 @@ lst))) (define (logical-equal? a b) - (or (equal? a b) #t + (or (equal? a b) (and ;; error checking (list? a)