diff --git a/map_machine/scheme.py b/map_machine/scheme.py
index 84f81e6..1632841 100644
--- a/map_machine/scheme.py
+++ b/map_machine/scheme.py
@@ -407,9 +407,7 @@ class Scheme:
         extra_icons: list[Icon] = []
         priority: int = 0
 
-        index: int = 0
-
-        for matcher in self.node_matchers:
+        for index, matcher in enumerate(self.node_matchers):
             if not matcher.replace_shapes and main_icon:
                 continue
             if not matcher.is_matched(tags, configuration):
@@ -449,8 +447,6 @@ class Scheme:
             if matcher.set_opacity and main_icon:
                 main_icon.opacity = matcher.set_opacity
 
-            index += 1
-
         color: Optional[Color] = None
 
         if "material" in tags: