diff --git a/scripts/sd_upscale.py b/scripts/sd_upscale.py
index 01074291..28bd96b3 100644
--- a/scripts/sd_upscale.py
+++ b/scripts/sd_upscale.py
@@ -17,13 +17,14 @@ class Script(scripts.Script):
         return is_img2img
 
     def ui(self, is_img2img):
-        info = gr.HTML("<p style=\"margin-bottom:0.75em\">Will upscale the image to twice the dimensions; use width and height sliders to set tile size</p>")
+        info = gr.HTML("<p style=\"margin-bottom:0.75em\">Will upscale the image by the selected scale factor; use width and height sliders to set tile size</p>")
         overlap = gr.Slider(minimum=0, maximum=256, step=16, label='Tile overlap', value=64)
+        scale_factor = gr.Slider(minimum=1, maximum=4, step=1, label='Scale Factor', value=2)
         upscaler_index = gr.Radio(label='Upscaler', choices=[x.name for x in shared.sd_upscalers], value=shared.sd_upscalers[0].name, type="index")
 
-        return [info, overlap, upscaler_index]
+        return [info, overlap, upscaler_index, scale_factor]
 
-    def run(self, p, _, overlap, upscaler_index):
+    def run(self, p, _, overlap, upscaler_index, scale_factor):
         processing.fix_seed(p)
         upscaler = shared.sd_upscalers[upscaler_index]
 
@@ -34,9 +35,9 @@ class Script(scripts.Script):
         seed = p.seed
 
         init_img = p.init_images[0]
-        
-        if(upscaler.name != "None"): 
-            img = upscaler.scaler.upscale(init_img, 2, upscaler.data_path)
+
+        if (upscaler.name != "None"):
+            img = upscaler.scaler.upscale(init_img, scale_factor, upscaler.data_path)
         else:
             img = init_img
 
@@ -69,7 +70,7 @@ class Script(scripts.Script):
             work_results = []
             for i in range(batch_count):
                 p.batch_size = batch_size
-                p.init_images = work[i*batch_size:(i+1)*batch_size]
+                p.init_images = work[i * batch_size:(i + 1) * batch_size]
 
                 state.job = f"Batch {i + 1 + n * batch_count} out of {state.job_count}"
                 processed = processing.process_images(p)