1 files changed, 1 insertions, 1 deletions

diff --git a/cache.c b/cache.c
index b701e13..add647e 100644
--- a/cache.c
+++ b/cache.c
@@ -54,3 +54,3 @@ static int open_slot(struct cache_slot *slot)
         slot->bufsize = read(slot->cache_fd, slot->buf, sizeof(slot->buf));
-        if (slot->bufsize == 0)
+        if (slot->bufsize < 0)
                 return errno;