diff --git a/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint.py b/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint.py
index 918a1241f996..d49f55aa921d 100644
--- a/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint.py
+++ b/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint.py
@@ -340,8 +340,8 @@ def __call__(
         masked_image_latents = 0.18215 * masked_image_latents
 
         # duplicate mask and masked_image_latents for each generation per prompt, using mps friendly method
-        mask = mask.repeat(num_images_per_prompt, 1, 1, 1)
-        masked_image_latents = masked_image_latents.repeat(num_images_per_prompt, 1, 1, 1)
+        mask = mask.repeat(batch_size * num_images_per_prompt, 1, 1, 1)
+        masked_image_latents = masked_image_latents.repeat(batch_size * num_images_per_prompt, 1, 1, 1)
 
         mask = torch.cat([mask] * 2) if do_classifier_free_guidance else mask
         masked_image_latents = (