diff --git a/ext/native/thin3d/VulkanQueueRunner.cpp b/ext/native/thin3d/VulkanQueueRunner.cpp
index 6c335ae608..f078dd705a 100644
--- a/ext/native/thin3d/VulkanQueueRunner.cpp
+++ b/ext/native/thin3d/VulkanQueueRunner.cpp
@@ -1585,7 +1585,7 @@ void VulkanQueueRunner::PerformReadback(const VKRStep &step, VkCommandBuffer cmd
 
 void VulkanQueueRunner::PerformReadbackImage(const VKRStep &step, VkCommandBuffer cmd) {
 	// TODO: Clean this up - just reusing `SetupTransitionToTransferSrc`.
-	VKRImage srcImage;
+	VKRImage srcImage{};
 	srcImage.image = step.readback_image.image;
 	srcImage.layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;