diff --git a/kernel/descriptor.cpp b/kernel/descriptor.cpp
index dd4dd38d..fd5a202a 100644
--- a/kernel/descriptor.cpp
+++ b/kernel/descriptor.cpp
@@ -108,6 +108,7 @@ Descriptor::Descriptor(Ref<Vnode> vnode, int dflags)
 	this->type = vnode->type;
 	this->dflags = dflags;
 	checked_seekable = false;
+	seekable = false /* unused */;
 	curoff = 0;
 }