diff --git a/repos/dde_linux/src/lib/vfs/lxip/vfs.cc b/repos/dde_linux/src/lib/vfs/lxip/vfs.cc
index 43bd2b9995..443806c2df 100644
--- a/repos/dde_linux/src/lib/vfs/lxip/vfs.cc
+++ b/repos/dde_linux/src/lib/vfs/lxip/vfs.cc
@@ -527,7 +527,7 @@ class Vfs::Lxip_peek_file final : public Vfs::Lxip_file
 			Errno err = genode_socket_recvmsg(&_sock, msg_recv.header(), &bytes_avail, true);
 
 			if (err == GENODE_EAGAIN)
-				return 0;
+				return -1;
 
 			return bytes_avail;
 		}