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-rw-r--r--src/lib/ui_signaller.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/ui_signaller.h b/src/lib/ui_signaller.h
index 73db8bff8..7e0f57513 100644
--- a/src/lib/ui_signaller.h
+++ b/src/lib/ui_signaller.h
@@ -27,7 +27,7 @@
/** A class to allow signals to be emitted from non-UI threads and handled
* by a UI thread.
*/
-class UISignaller
+class UISignaller : public boost::noncopyable
{
public:
/** Create a UISignaller. Must be called from the UI thread */