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-rw-r--r--libguile/guardians.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/guardians.c b/libguile/guardians.c
index b85ec0284..a341fbfdc 100644
--- a/libguile/guardians.c
+++ b/libguile/guardians.c
@@ -77,7 +77,7 @@ typedef struct t_guardian
} t_guardian;
#define GUARDIAN_P(x) SCM_SMOB_PREDICATE(tc16_guardian, x)
-#define GUARDIAN_DATA(x) ((t_guardian *) SCM_CELL_WORD_1 (x))
+#define GUARDIAN_DATA(x) ((t_guardian *) SCM_SMOB_DATA_1 (x))