diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index f7bcb5afc..9aa7d9883 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -16685,7 +16685,7 @@ static ggml_status ggml_backend_vk_graph_compute(ggml_backend_t backend, ggml_cg
         std::fill(ctx->query_nodes.begin(), ctx->query_nodes.end(), nullptr);
         std::fill(ctx->query_node_idx.begin(), ctx->query_node_idx.end(), 0);
 
-        GGML_ASSERT(ctx->compute_ctx.expired());
+        // compute_ctx may hold async host uploads recorded before the graph; append the timestamp after them
         compute_ctx = ggml_vk_get_compute_ctx(ctx);
         ctx->query_idx = 0;
         compute_ctx->s->buffer->buf.writeTimestamp(vk::PipelineStageFlagBits::eAllCommands, ctx->query_pool, ctx->query_idx++);