Index: uspace/lib/cpp/include/impl/streambuf.hpp
===================================================================
--- uspace/lib/cpp/include/impl/streambuf.hpp	(revision 74b03e39fa93fb162bc83ea7ad91ff8c701a63d7)
+++ uspace/lib/cpp/include/impl/streambuf.hpp	(revision 47203ee351cd600dff8e407328a48329a7a027d8)
@@ -60,5 +60,7 @@
             locale pubimbue(const locale& loc)
             {
-                return imbue(loc);
+                imbue(loc);
+
+                return locale_;
             }