diff --git a/core/blob_subr.c b/core/blob_subr.c
index ef1c2a5..305f407 100644
--- a/core/blob_subr.c
+++ b/core/blob_subr.c
@@ -14,6 +14,7 @@ blob_allocate(struct data_stream *stmp)
 
     bp = xmalloc(sizeof(*bp));
     bp->length = (stmp != NULL) ? stmp->length : 0;
+    bp->next = NULL;
     if (stmp == NULL) {
         bp->data = NULL;
     } else {