diff --git a/include/lucene++/Collection.h b/include/lucene++/Collection.h
index 0263f3f1..aeefda5f 100644
--- a/include/lucene++/Collection.h
+++ b/include/lucene++/Collection.h
@@ -167,7 +167,7 @@ class Collection : public LuceneSync {
     }
 
     void swap(this_type& other) {
-        container.swap(other->container);
+        container.swap(other.container);
     }
 
     TYPE& operator[] (int32_t pos) {
diff --git a/include/lucene++/Set.h b/include/lucene++/Set.h
index 7282cc96..b211d881 100644
--- a/include/lucene++/Set.h
+++ b/include/lucene++/Set.h
@@ -108,7 +108,7 @@ class Set : public LuceneSync {
     }
 
     void swap(this_type& other) {
-        setContainer.swap(other->setContainer);
+        setContainer.swap(other.setContainer);
     }
 
     operator bool() const {