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-rw-r--r--common/dlmalloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/common/dlmalloc.c b/common/dlmalloc.c
index 205fc40ac8..2276532da7 100644
--- a/common/dlmalloc.c
+++ b/common/dlmalloc.c
@@ -1515,7 +1515,7 @@ void *sbrk(ptrdiff_t increment)
ulong new = old + increment;
if ((new < mem_malloc_start) || (new > mem_malloc_end))
- return NULL;
+ return (void *)MORECORE_FAILURE;
mem_malloc_brk = new;