diff --git a/src/Cafe/HW/Latte/Renderer/Vulkan/SwapchainInfoVk.h b/src/Cafe/HW/Latte/Renderer/Vulkan/SwapchainInfoVk.h
index 004c2e9bc..0c49d3ab2 100644
--- a/src/Cafe/HW/Latte/Renderer/Vulkan/SwapchainInfoVk.h
+++ b/src/Cafe/HW/Latte/Renderer/Vulkan/SwapchainInfoVk.h
@@ -69,8 +69,8 @@ struct SwapchainInfoVk
 	Vector2i m_desiredExtent{};
 	uint32 swapchainImageIndex = (uint32)-1;
 	uint64 m_presentId = 1;
-	uint64 m_queueDepth = 0; //number of frames CPU is ahead of presentation
-	uint64 m_maxQueued = 0;
+	uint64 m_queueDepth = 0; // number of frames finished on the CPU, with submitted work and presentation requests
+	uint64 m_maxQueued = 0; // maximum number of frames that should be "in-flight" at a time
 
 
 	// swapchain image ringbuffer (indexed by swapchainImageIndex)
diff --git a/src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp b/src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp
index c4498fe59..13b7ebb7c 100644
--- a/src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp
+++ b/src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp
@@ -2642,7 +2642,7 @@ bool VulkanRenderer::AcquireNextSwapchainImage(bool mainWindow)
 
 	if(UsePresentWait(chainInfo))
 	{
-		if(chainInfo.m_queueDepth >= chainInfo.m_maxQueued)
+		if(chainInfo.m_queueDepth + 1 >= chainInfo.m_maxQueued)
 		{
 			uint64 waitFrameId = chainInfo.m_presentId - chainInfo.m_queueDepth;
 			vkWaitForPresentKHR(m_logicalDevice, chainInfo.m_swapchain, waitFrameId, 40'000'000);