diff --git a/sched/misc/coredump.c b/sched/misc/coredump.c
index 204be9195c3..f4089a7dcc0 100644
--- a/sched/misc/coredump.c
+++ b/sched/misc/coredump.c
@@ -149,7 +149,7 @@ static int elf_emit(FAR struct elf_dumpinfo_s *cinfo,
   while (total > 0)
     {
       ret = lib_stream_puts(cinfo->stream, ptr, total);
-      if (ret < 0)
+      if (ret <= 0)
         {
           break;
         }