diff --git a/src/app/cmd/copy_region.cpp b/src/app/cmd/copy_region.cpp
index 812e5c108..8c8d4ae2c 100644
--- a/src/app/cmd/copy_region.cpp
+++ b/src/app/cmd/copy_region.cpp
@@ -89,7 +89,9 @@ void CopyRegion::swap()
     }
   }
 
-  std::swap(m_stream, tmp);
+  // TODO use m_stream.swap(tmp) when clang and gcc support it
+  m_stream.str(tmp.str());
+  m_stream.clear();
 }
 
 } // namespace cmd