diff --git a/ui/easydiffusion/tasks/render_images.py b/ui/easydiffusion/tasks/render_images.py
index 593b409d..f0d25d37 100644
--- a/ui/easydiffusion/tasks/render_images.py
+++ b/ui/easydiffusion/tasks/render_images.py
@@ -232,6 +232,9 @@ def generate_images_internal(
             req.control_image = resize_img(req.control_image.convert("RGB"), req.width, req.height, clamp_to_8=True)
             req.control_image = filter_images(context, req.control_image, task_data.control_filter_to_apply)[0]
 
+        if req.init_image is not None and int(req.num_inference_steps * req.prompt_strength) == 0:
+            req.prompt_strength = 1 / req.num_inference_steps if req.num_inference_steps > 0 else 1
+
         if context.test_diffusers:
             pipe = context.models["stable-diffusion"]["default"]
             if hasattr(pipe.unet, "_allocate_trt_buffers_backup"):