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-rw-r--r--libguile/modules.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libguile/modules.c b/libguile/modules.c
index fd13c516b..f034426ab 100644
--- a/libguile/modules.c
+++ b/libguile/modules.c
@@ -568,6 +568,9 @@ scm_module_reverse_lookup (SCM module, SCM variable)
obarray = SCM_MODULE_OBARRAY (module);
}
+ if (!SCM_HASHTABLE_P (obarray))
+ return SCM_BOOL_F;
+
/* XXX - We do not use scm_hash_fold here to avoid searching the
whole obarray. We should have a scm_hash_find procedure. */