From bb52f3fddeaff86b601fefd5dc8b1c394c9936e2 Mon Sep 17 00:00:00 2001
From: Ben Corbett <32752943+corbett5@users.noreply.github.com>
Date: Sun, 27 Jul 2025 15:44:11 -0700
Subject: [PATCH] Update serialization.jl

---
 src/serialization.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/serialization.jl b/src/serialization.jl
index 395940c7..26ce9837 100644
--- a/src/serialization.jl
+++ b/src/serialization.jl
@@ -2,7 +2,7 @@ function Serialization.serialize(s::AbstractSerializer, A::GBVecOrMat)
     Serialization.writetag(s.io, Serialization.OBJECT_TAG)
     Serialization.serialize(s, typeof(A))
     v = Vector{UInt8}(undef, serialize_sizehint(A))
-    sz = Ref{LibGraphBLAS.GrB_Index}()
+    sz = Ref{LibGraphBLAS.GrB_Index}(length(v))
     @wraperror LibGraphBLAS.GrB_Matrix_serialize(v, sz, A)
     resize!(v, sz[])
     serialize(s, v)