diff --git a/doc/container.qbk b/doc/container.qbk
index 95d58ee..68324ab 100644
--- a/doc/container.qbk
+++ b/doc/container.qbk
@@ -1323,7 +1323,7 @@ use [*Boost.Container]? There are several reasons for that:
 
 * Fixed bugs:
    * [@https://github.com/boostorg/container/issues/132    GitHub #132: ['"flat_map::lower_bound and upper_bound have wrong/misleading docs"]].
-
+   * [@https://github.com/boostorg/container/issues/133    GitHub #133: ['"basic_string move constructor with allocator argument has incorrect allocator check"]].
 
 [endsect]
 
diff --git a/include/boost/container/string.hpp b/include/boost/container/string.hpp
index 46ca567..516b701 100644
--- a/include/boost/container/string.hpp
+++ b/include/boost/container/string.hpp
@@ -712,7 +712,7 @@ class basic_string
       : base_t(a)
    {
       this->priv_terminate_string();
-      if(a == this->alloc()){
+      if(s.alloc() == this->alloc()){
          this->swap_data(s);
       }
       else{