diff --git a/src/video_core/renderer_vulkan/present/sgsr.cpp b/src/video_core/renderer_vulkan/present/sgsr.cpp
index 31ba3b4eb0..25953090c0 100644
--- a/src/video_core/renderer_vulkan/present/sgsr.cpp
+++ b/src/video_core/renderer_vulkan/present/sgsr.cpp
@@ -116,14 +116,11 @@ VkImageView SGSR::Draw(Scheduler& scheduler, size_t image_index, VkImage source_
     const f32 viewport_width = (crop_rect.right - crop_rect.left) * input_image_width;
     const f32 viewport_height = (crop_rect.bottom - crop_rect.top) * input_image_height;
 
-    // ViewportInfo[0] = vec4(1/inputWidth, 1/inputHeight, inputWidth, inputHeight)
-    // .xy = pixel step size for texture sampling
-    // .zw = input texture dimensions for coordinate scaling
     PushConstants viewport_con{};
-    viewport_con[0] = std::bit_cast<u32>(1.f / input_image_width);
-    viewport_con[1] = std::bit_cast<u32>(1.f / input_image_height);
-    viewport_con[2] = std::bit_cast<u32>(input_image_width);
-    viewport_con[3] = std::bit_cast<u32>(input_image_height);
+    viewport_con[0] = std::bit_cast<u32>(1.f / output_image_width);
+    viewport_con[1] = std::bit_cast<u32>(1.f / output_image_height);
+    viewport_con[2] = std::bit_cast<u32>(output_image_width);
+    viewport_con[3] = std::bit_cast<u32>(output_image_height);
 
     UploadImages(scheduler);
     UpdateDescriptorSets(source_image_view, image_index);