diff --git a/src/rendering/vulkan/system/vk_buffers.h b/src/rendering/vulkan/system/vk_buffers.h
index eb90f893513..139924bc345 100644
--- a/src/rendering/vulkan/system/vk_buffers.h
+++ b/src/rendering/vulkan/system/vk_buffers.h
@@ -27,7 +27,7 @@ class VKBuffer : virtual public IBuffer
 	VkBufferUsageFlags mBufferType = 0;
 	std::unique_ptr<VulkanBuffer> mBuffer;
 	std::unique_ptr<VulkanBuffer> mStaging;
-	bool mPersistent;
+	bool mPersistent = false;
 };
 
 class VKVertexBuffer : public IVertexBuffer, public VKBuffer