diff --git a/src/main.cpp b/src/main.cpp
index feee60a..008984b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -35,6 +35,7 @@
 		mountFilesystem(mainBD, mainFS);
 	}
 
+	unmountFilesystem(mainBD, mainFS);
 	buttonThread.terminate();
 
 	return 0;