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-rw-r--r--libguile/macros.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/macros.c b/libguile/macros.c
index f02090161..00cffcf07 100644
--- a/libguile/macros.c
+++ b/libguile/macros.c
@@ -135,7 +135,7 @@ SCM_DEFINE (scm_macro_type, "macro-type", 1, 0, 0,
{
if (!(SCM_NIMP (m) && SCM_TYP16 (m) == scm_tc16_macro))
return SCM_BOOL_F;
- switch ((int) (SCM_UNPACK_CAR (m) >> 16))
+ switch (SCM_CELL_WORD_0 (m) >> 16)
{
case 0: return scm_sym_syntax;
case 1: return scm_sym_macro;