diff --git a/user/fs/fetch.c b/user/fs/fetch.c
index b74e756..9ee634c 100644
--- a/user/fs/fetch.c
+++ b/user/fs/fetch.c
@@ -60,7 +60,7 @@ void fs_fetch(void) {
     uint8_t *buf = umalloc(statbuf.size+1);
     string_memset(buf, 0, statbuf.size+1);
 
-    if (fs_read(h, buf, statbuf.size, 0)) {
+    if (fs_read(h, buf, statbuf.size, 0) < 0) {
       uprintf("fs: coult not read %s\n", path);
       goto donefile;
       return;