diff --git a/ggml/src/ggml-vulkan.cpp b/ggml/src/ggml-vulkan.cpp
index 3dd242df1..916f05c0b 100644
--- a/ggml/src/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan.cpp
@@ -5617,7 +5617,7 @@ static void ggml_vk_preallocate_buffers(ggml_backend_vk_context * ctx) {
     }
 }
 
-bool ggml_vk_compute_forward(ggml_backend_vk_context* ctx, ggml_tensor* tensor, int tensor_idx, bool use_fence);
+static bool ggml_vk_compute_forward(ggml_backend_vk_context* ctx, ggml_tensor* tensor, int tensor_idx, bool use_fence);
 
 // Returns true if node has enqueued work into the queue, false otherwise
 // If submit is true the current all operations queued so far are being submitted to Vulkan to overlap cmdlist creation and GPU execution.
@@ -5929,7 +5929,7 @@ static bool ggml_vk_compute_forward(ggml_backend_vk_context * ctx, ggml_tensor *
 
     vk_context subctx = ctx->tensor_ctxs[tensor_idx].lock();
 
-    VkFence fence = use_fence ? ctx->fence : VkFence{};
+    vk::Fence fence = use_fence ? ctx->fence : vk::Fence{};
 
     // Only run if ctx hasn't been submitted yet
     if (!subctx->seqs.empty()) {