diff --git a/ui/index.html b/ui/index.html
index 3ef2cedb..5b2675f5 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -531,7 +531,7 @@
                         <label for="height"><small>(height)</small></label>
                     </li>
                     <li class="pl-5"><label for="num_inference_steps">Number of inference steps:</label> <input id="num_inference_steps" name="num_inference_steps" size="4" value="50"></li>
-                    <li class="pl-5"><label for="guidance_scale_slider">Guidance Scale:</label> <input id="guidance_scale_slider" name="guidance_scale_slider" class="editor-slider" value="75" type="range" min="10" max="200"> <input id="guidance_scale" name="guidance_scale" size="4"></li>
+                    <li class="pl-5"><label for="guidance_scale_slider">Guidance Scale:</label> <input id="guidance_scale_slider" name="guidance_scale_slider" class="editor-slider" value="75" type="range" min="10" max="500"> <input id="guidance_scale" name="guidance_scale" size="4"></li>
                     <li class="pl-5"><span id="prompt_strength_container"><label for="prompt_strength_slider">Prompt Strength:</label> <input id="prompt_strength_slider" name="prompt_strength_slider" class="editor-slider" value="80" type="range" min="0" max="99"> <input id="prompt_strength" name="prompt_strength" size="4"><br/></span></li>
 
                     <br/>
@@ -1321,8 +1321,8 @@ function updateGuidanceScale() {
 function updateGuidanceScaleSlider() {
     if (guidanceScaleField.value < 0) {
         guidanceScaleField.value = 0
-    } else if (guidanceScaleField.value > 20) {
-        guidanceScaleField.value = 20
+    } else if (guidanceScaleField.value > 50) {
+        guidanceScaleField.value = 50
     }
 
     guidanceScaleSlider.value = guidanceScaleField.value * 10