diff --git a/src/select.scad b/src/select.scad
index f149a6c9..1c119367 100644
--- a/src/select.scad
+++ b/src/select.scad
@@ -1,3 +1,8 @@
-module select(n) {
-    children(n);
+module select(i) {
+    if(is_undef(i)) {
+        children();
+    }
+    else {
+        children(i);
+    }
 }	
\ No newline at end of file