diff --git a/modules/processing.py b/modules/processing.py
index 616533987..08be9a3ae 100644
--- a/modules/processing.py
+++ b/modules/processing.py
@@ -72,6 +72,14 @@ def apply_overlay(image, paste_loc, index, overlays):
     return image
 
 
+def create_binary_mask(image):
+    if image.mode == 'RGBA' and image.getextrema()[-1] != (255, 255):
+        image = image.split()[-1].convert("L").point(lambda x: 255 if x > 128 else 0)
+    else:
+        image = image.convert('L')
+    return image
+
+
 def txt2img_image_conditioning(sd_model, x, width, height):
     if sd_model.model.conditioning_key in {'hybrid', 'concat'}: # Inpainting models
         # The "masked-image" in this case will just be all zeros since the entire image is masked.