diff --git a/modules/img2img.py b/modules/img2img.py
index 4c12c2c5..b240e593 100644
--- a/modules/img2img.py
+++ b/modules/img2img.py
@@ -1,4 +1,5 @@
 import os
+from pathlib import Path
 
 import numpy as np
 from PIL import Image, ImageOps, ImageFilter, ImageEnhance, ImageChops, UnidentifiedImageError
@@ -13,7 +14,7 @@ from modules.ui import plaintext_to_html
 import modules.scripts
 
 
-def process_batch(p, input_dir, output_dir, inpaint_mask_dir, args):
+def process_batch(p, input_dir, output_dir, inpaint_mask_dir, args, to_scale=False, scale_by=1.0):
     processing.fix_seed(p)
 
     images = shared.listfiles(input_dir)
@@ -49,14 +50,31 @@ def process_batch(p, input_dir, output_dir, inpaint_mask_dir, args):
             continue
         # Use the EXIF orientation of photos taken by smartphones.
         img = ImageOps.exif_transpose(img)
+
+        if to_scale:
+            p.width = int(img.width * scale_by)
+            p.height = int(img.height * scale_by)
+
         p.init_images = [img] * p.batch_size
 
+        image_path = Path(image)
         if is_inpaint_batch:
             # try to find corresponding mask for an image using simple filename matching
-            mask_image_path = os.path.join(inpaint_mask_dir, os.path.basename(image))
-            # if not found use first one ("same mask for all images" use-case)
-            if mask_image_path not in inpaint_masks:
+            if len(inpaint_masks) == 1:
                 mask_image_path = inpaint_masks[0]
+            else:
+                # try to find corresponding mask for an image using simple filename matching
+                mask_image_dir = Path(inpaint_mask_dir)
+                masks_found = list(mask_image_dir.glob(f"{image_path.stem}.*"))
+
+                if len(masks_found) == 0:
+                    print(f"Warning: mask is not found for {image_path} in {mask_image_dir}. Skipping it.")
+                    continue
+
+                # it should contain only 1 matching mask
+                # otherwise user has many masks with the same name but different extensions
+                mask_image_path = masks_found[0]
+
             mask_image = Image.open(mask_image_path)
             p.image_mask = mask_image
 
@@ -65,7 +83,7 @@ def process_batch(p, input_dir, output_dir, inpaint_mask_dir, args):
             proc = process_images(p)
 
         for n, processed_image in enumerate(proc.images):
-            filename = os.path.basename(image)
+            filename = image_path.name
 
             if n > 0:
                 left, right = os.path.splitext(filename)
@@ -115,7 +133,7 @@ def img2img(id_task: str, mode: int, prompt: str, negative_prompt: str, prompt_s
     if image is not None:
         image = ImageOps.exif_transpose(image)
 
-    if selected_scale_tab == 1:
+    if selected_scale_tab == 1 and not is_batch:
         assert image, "Can't scale by because no image is selected"
 
         width = int(image.width * scale_by)
@@ -170,7 +188,7 @@ def img2img(id_task: str, mode: int, prompt: str, negative_prompt: str, prompt_s
     if is_batch:
         assert not shared.cmd_opts.hide_ui_dir_config, "Launched with --hide-ui-dir-config, batch img2img disabled"
 
-        process_batch(p, img2img_batch_input_dir, img2img_batch_output_dir, img2img_batch_inpaint_mask_dir, args)
+        process_batch(p, img2img_batch_input_dir, img2img_batch_output_dir, img2img_batch_inpaint_mask_dir, args, to_scale=selected_scale_tab == 1, scale_by=scale_by)
 
         processed = Processed(p, [], p.seed, "")
     else: