diff --git a/test/rendering-mss/issue_197.mss b/test/rendering-mss/issue_197.mss
new file mode 100644
index 0000000..aa22ee0
--- /dev/null
+++ b/test/rendering-mss/issue_197.mss
@@ -0,0 +1,5 @@
+@foo: 6;
+@a: 8;
+
+#bar[zoom > @foo] { marker-width: 1; }
+#a[zoom = @a] { marker-width: 1; }
diff --git a/test/rendering-mss/issue_197.xml b/test/rendering-mss/issue_197.xml
new file mode 100644
index 0000000..184c2bf
--- /dev/null
+++ b/test/rendering-mss/issue_197.xml
@@ -0,0 +1,11 @@
+<Style name="style" filter-mode="first">
+  <Rule>
+    <MaxScaleDenominator>3000000</MaxScaleDenominator>
+    <MinScaleDenominator>1500000</MinScaleDenominator>
+    <MarkersSymbolizer width="1" />
+  </Rule>
+  <Rule>
+    <MaxScaleDenominator>6500000</MaxScaleDenominator>
+    <MarkersSymbolizer width="1" />
+  </Rule>
+</Style>
\ No newline at end of file