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-rw-r--r--libguile/weaks.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/libguile/weaks.h b/libguile/weaks.h
index e6c4bfa81..bfc2dd8ba 100644
--- a/libguile/weaks.h
+++ b/libguile/weaks.h
@@ -53,9 +53,9 @@
#define SCM_WVECTP(x) (SCM_NIMP(x) && (SCM_TYP7(x)==scm_tc7_wvect))
-#define SCM_IS_WHVEC(X) (SCM_VELTS(X)[-1] == 1)
-#define SCM_IS_WHVEC_V(X) (SCM_VELTS(X)[-1] == 2)
-#define SCM_IS_WHVEC_B(X) (SCM_VELTS(X)[-1] == 3)
+#define SCM_IS_WHVEC(X) (SCM_ASWORD (SCM_VELTS(X)[-1]) == 1)
+#define SCM_IS_WHVEC_V(X) (SCM_ASWORD (SCM_VELTS(X)[-1]) == 2)
+#define SCM_IS_WHVEC_B(X) (SCM_ASWORD (SCM_VELTS(X)[-1]) == 3)
#define SCM_IS_WHVEC_ANY(X) (SCM_VELTS(X)[-1])
#define SCM_WVECT_GC_CHAIN(X) (SCM_VELTS(X)[-2])