diff --git a/extend.cpp b/extend.cpp
index 91c8225829..cf70227960 100644
--- a/extend.cpp
+++ b/extend.cpp
@@ -50,7 +50,15 @@ namespace Sass {
       Selector_List* ng = 0;
       while (cplx) {
         Selector_Placeholder* sp = cplx->find_placeholder();
-        if (!sp) break;
+        if (!sp) {
+            // After the loop over this rule set's selectors completes, the selectors in
+            // all_subbed will become the new selectors for this rule set. If we get here, there's no
+            // placeholder selector in the current complex selector. We don't want to lose
+            // this selector, so append it to ng, so that it will get added to all_subbed.
+            ng = new (ctx.mem) Selector_List(sg->path(), sg->position());
+            *ng << cplx;
+            break;
+        }
         Compound_Selector* placeholder = new (ctx.mem) Compound_Selector(cplx->path(), cplx->position(), 1);
         *placeholder << sp;
         // if the current placeholder can be subbed