diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 5b86aa65e9..ffd4f5dec4 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -1149,7 +1149,7 @@ static void free_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
 
     av_freep(&cmd->queues);
     av_freep(&cmd->bufs);
-    cmd->pool = NULL;
+    cmd->pool = VK_NULL_HANDLE;
 }
 
 static VkCommandBuffer get_buf_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
diff --git a/libavutil/vulkan.h b/libavutil/vulkan.h
index d1ea1e24fb..90922c6cf3 100644
--- a/libavutil/vulkan.h
+++ b/libavutil/vulkan.h
@@ -122,7 +122,11 @@ typedef struct FFVulkanPipeline {
     VkDescriptorSetLayout         *desc_layout;
     VkDescriptorPool               desc_pool;
     VkDescriptorSet               *desc_set;
+#if VK_USE_64_BIT_PTR_DEFINES == 1
     void                         **desc_staging;
+#else
+    uint64_t                      *desc_staging;
+#endif
     VkDescriptorSetLayoutBinding **desc_binding;
     VkDescriptorUpdateTemplate    *desc_template;
     int                           *desc_set_initialized;