diff --git a/gui/objects.hpp b/gui/objects.hpp
index 99b5855..832569c 100644
--- a/gui/objects.hpp
+++ b/gui/objects.hpp
@@ -360,6 +360,7 @@
 	int startmtp(std::string arg);
 	int stopmtp(std::string arg);
 	int flashimage(std::string arg);
+	int cancelbackup(std::string arg);
 
 	int simulate;
 };