diff -r 1b8c889027a3 -r 72e9d69a5e4d QTfrontend/ui/page/pagescheme.cpp
--- a/QTfrontend/ui/page/pagescheme.cpp	Wed Nov 21 15:52:17 2018 +0100
+++ b/QTfrontend/ui/page/pagescheme.cpp	Wed Nov 21 11:59:20 2018 -0500
@@ -553,6 +553,7 @@
 
 PageScheme::PageScheme(QWidget* parent) : AbstractPage(parent)
 {
+    changingSchemes = false;
     initPage();
 }