diff --git a/skynet/dgpu/compute.py b/skynet/dgpu/compute.py
index 424d704..ce34910 100644
--- a/skynet/dgpu/compute.py
+++ b/skynet/dgpu/compute.py
@@ -144,7 +144,7 @@ class SkynetMM:
 
                     if upscaler == 'x4':
                         input_img = image.convert('RGB')
-                        up_img, _ = upscaler.enhance(
+                        up_img, _ = self.upscaler.enhance(
                             convert_from_image_to_cv2(input_img), outscale=4)
 
                         image = convert_from_cv2_to_image(up_img)
diff --git a/skynet/frontend/__init__.py b/skynet/frontend/__init__.py
index 6a2557e..46ebd9f 100644
--- a/skynet/frontend/__init__.py
+++ b/skynet/frontend/__init__.py
@@ -32,9 +32,12 @@ def validate_user_config_request(req: str):
             match attr:
                 case 'algo':
                     val = params[2]
-                    if val not in ALGOS:
+                    shorts = [model_info['short'] for model_info in MODELS.values()]
+                    if val not in shorts:
                         raise ConfigUnknownAlgorithm(f'no algo named {val}')
 
+                    val = get_model_by_shortname(val)
+
                 case 'step':
                     val = int(params[2])
                     val = max(min(val, MAX_STEP), MIN_STEP)