diff --git a/roentgen/scheme.py b/roentgen/scheme.py
index 0422f99..db5df12 100644
--- a/roentgen/scheme.py
+++ b/roentgen/scheme.py
@@ -168,7 +168,9 @@ class NodeMatcher(Matcher):
             """Get MapCSS 0.2 selector for one key."""
             if value == "*":
                 return f"[{key}]"
-            return f"[{key}={value}]"
+            if '"' in value:
+                return f"[{key}='{value}']"
+            return f'[{key}="{value}"]'
 
         return "".join([get_selector(x, y) for (x, y) in self.tags.items()])
 
diff --git a/scheme/default.yml b/scheme/default.yml
index cae049e..66cd1f3 100644
--- a/scheme/default.yml
+++ b/scheme/default.yml
@@ -992,12 +992,6 @@ node_icons:
         {shape: digit_4, offset: [-2, 2]},
         {shape: digit_0, offset: [2, 2]},
       ]
-    - tags: {traffic_sign: maxspeed, maxspeed: ".."}
-      shapes: [
-        circle_11,
-        {shape: digit_3, offset: [-2, 0], color: "#FFFFFF"},
-        {shape: digit_0, offset: [2, 0], color: "#FFFFFF"},
-      ]
     - tags: {traffic_sign: stop}
       shapes: [stop]
     - tags: {highway: give_way}