diff --git a/twrpApex.hpp b/twrpApex.hpp
index 1c85d06..d03df10 100755
--- a/twrpApex.hpp
+++ b/twrpApex.hpp
@@ -29,6 +29,7 @@
 class twrpApex {
 public:
 	bool loadApexImages();
+	bool Unmount();
 
 private:
 	std::string unzipImage(std::string file);