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-rw-r--r--libguile/debug.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/debug.c b/libguile/debug.c
index d377429a1..39aa5ddd3 100644
--- a/libguile/debug.c
+++ b/libguile/debug.c
@@ -147,7 +147,7 @@ SCM
scm_make_memoized (SCM exp, SCM env)
{
/* *fixme* Check that env is a valid environment. */
- SCM_RETURN_NEWSMOB (scm_tc16_memoized, scm_cons (exp, env));
+ SCM_RETURN_NEWSMOB (scm_tc16_memoized, SCM_UNPACK (scm_cons (exp, env)));
}
#ifdef GUILE_DEBUG