diff --git a/comfy_extras/nodes_glsl.py b/comfy_extras/nodes_glsl.py
index 6d210b307..2a59a9285 100644
--- a/comfy_extras/nodes_glsl.py
+++ b/comfy_extras/nodes_glsl.py
@@ -865,14 +865,15 @@ class GLSLShader(io.ComfyNode):
         cls, image_list: list[torch.Tensor], output_batch: torch.Tensor
     ) -> dict[str, list]:
         """Build UI output with input and output images for client-side shader execution."""
-        combined_inputs = torch.cat(image_list, dim=0)
-        input_images_ui = ui.ImageSaveHelper.save_images(
-            combined_inputs,
-            filename_prefix="GLSLShader_input",
-            folder_type=io.FolderType.temp,
-            cls=None,
-            compress_level=1,
-        )
+        input_images_ui = []
+        for img in image_list:
+            input_images_ui.extend(ui.ImageSaveHelper.save_images(
+                img,
+                filename_prefix="GLSLShader_input",
+                folder_type=io.FolderType.temp,
+                cls=None,
+                compress_level=1,
+            ))
 
         output_images_ui = ui.ImageSaveHelper.save_images(
             output_batch,