diff --git a/doc/Changelog b/doc/Changelog
index 39e257253..b17b09606 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,6 @@
 1 October 2010: Wouter
 	- test for unbound-anchor. fix for reading certs.
+	- Fix alloc_reg_release for longer uptime in out of memory conditions.
 
 28 September 2010: Wouter
 	- unbound-anchor working, it creates or updates a root.key file.
diff --git a/util/alloc.c b/util/alloc.c
index 49fa4f343..b5ccd96b4 100644
--- a/util/alloc.c
+++ b/util/alloc.c
@@ -322,6 +322,7 @@ alloc_reg_release(struct alloc_cache* alloc, struct regional* r)
 		regional_destroy(r);
 		return;
 	}
+	if(!r) return;
 	regional_free_all(r);
 	log_assert(r->next == NULL);
 	r->next = (char*)alloc->reg_list;