diff -r daa9808d626e -r 8e0691be0b6f src/model.cpp
--- a/src/model.cpp	Tue Feb 14 08:33:44 2017 +0200
+++ b/src/model.cpp	Tue Feb 14 09:48:51 2017 +0200
@@ -323,7 +323,7 @@
 	return v;
 }
 
-static int32 StringToNumber (QString a, bool* ok = nullptr)
+static qint32 StringToNumber (QString a, bool* ok = nullptr)
 {
 	int base = 10;