diff --git a/aperisolve/analyzers/color_remapping.py b/aperisolve/analyzers/color_remapping.py
index 8b1d759..802e480 100644
--- a/aperisolve/analyzers/color_remapping.py
+++ b/aperisolve/analyzers/color_remapping.py
@@ -56,7 +56,7 @@ class ColorRemappingAnalyzer(SubprocessAnalyzer):
 
         return remapped_img
 
-    def get_results(self, _: Optional[str] = None) -> dict[str, Any]:
+    def get_results(self, password: Optional[str] = None) -> dict[str, Any]:
         """Analyze an image submission using color remapping."""
         img = Image.open(self.input_img)
         converted = False
@@ -66,7 +66,7 @@ class ColorRemappingAnalyzer(SubprocessAnalyzer):
             converted = True
 
         img_np_tmp = np.array(img)
-        img_np, _ = self._normalize_image(img_np_tmp)
+        img_np, _channels = self._normalize_image(img_np_tmp)
 
         image_json = []