diff --git a/scripts/prompt_matrix.py b/scripts/prompt_matrix.py
index 6340a7d9..b1c486d4 100644
--- a/scripts/prompt_matrix.py
+++ b/scripts/prompt_matrix.py
@@ -99,8 +99,8 @@ class Script(scripts.Script):
         p.prompt_for_display = positive_prompt
         processed = process_images(p)
 
-        grid = images.image_grid(processed.images, p.batch_size, rows=1 << ((len(prompt_matrix_parts) - 1) // 2))
-        grid = images.draw_prompt_matrix(grid, p.width, p.height, prompt_matrix_parts, margin_size)
+        grid = images.image_grid(processed.images, p.batch_size, rows=1 << ((len(prompt_matrix_parts) - 1) // 2)) 
+        grid = images.draw_prompt_matrix(grid, processed.images[0].width, processed.images[1].height, prompt_matrix_parts, margin_size)
         processed.images.insert(0, grid)
         processed.index_of_first_image = 1
         processed.infotexts.insert(0, processed.infotexts[0])