debug fix
diff --git a/lib/fuse.c b/lib/fuse.c
index 0b7da30..1f63e9b 100644
--- a/lib/fuse.c
+++ b/lib/fuse.c
@@ -1039,7 +1039,7 @@
     }
     
     size = 0;
-    if (res > 0) {
+    if (res >= 0) {
         size = res;
         res = 0;
         if (f->flags & FUSE_DEBUG) {