diff --git a/backends/libpurple/spectrumeventloop.h b/backends/libpurple/spectrumeventloop.h
index f5f42b64bd3ed147b65df0cef1dd3c7f77cb6e0d..8350a29f06d54d78f031bccec25732e7eaea378c 100644
--- a/backends/libpurple/spectrumeventloop.h
+++ b/backends/libpurple/spectrumeventloop.h
@@ -29,7 +29,7 @@
 class SpectrumEventLoop : public Swift::EventLoop {
 	public:
 		// Creates event loop according to CONFIG().eventloop settings.
-		SpectrumEventLoop();
+		SpectrumEventLoop(bool libev);
 		~SpectrumEventLoop();
 
 		// Executes the eventloop.