diff --git a/tests/inputs/mixin_recursive.less b/tests/inputs/mixin_recursive.less
new file mode 100644
index 00000000..727222ba
--- /dev/null
+++ b/tests/inputs/mixin_recursive.less
@@ -0,0 +1,15 @@
+// This test for mixin recursion (loops).
+
+.bg(@filename)
+{
+  background-image: url('@{filename}');
+}
+
+.generate_nav(@n; @i: 1) when (@i =< @n) {
+  #but@{i} {
+    .bg('@{i}.png');
+  }
+  .generate_nav(@n; (@i+1));
+}
+
+.generate_nav(5);
diff --git a/tests/outputs/mixin_recursive.css b/tests/outputs/mixin_recursive.css
new file mode 100644
index 00000000..d8c1c382
--- /dev/null
+++ b/tests/outputs/mixin_recursive.css
@@ -0,0 +1,15 @@
+#but1 {
+  background-image: url('1.png');
+}
+#but2 {
+  background-image: url('2.png');
+}
+#but3 {
+  background-image: url('3.png');
+}
+#but4 {
+  background-image: url('4.png');
+}
+#but5 {
+  background-image: url('5.png');
+}