diff --git a/sources/qetproject.cpp b/sources/qetproject.cpp
index 3ecb8bdf6..e81b365b9 100644
--- a/sources/qetproject.cpp
+++ b/sources/qetproject.cpp
@@ -41,7 +41,7 @@
 #include <QtDebug>
 #include <utility>
 
-static int BACKUP_INTERVAL = 120000; //interval in ms of backup = 2min
+static int BACKUP_INTERVAL = 1200000; //interval in ms of backup = 20min
 
 /**
 	@brief QETProject::QETProject