diff -r a92220611821 -r 842385b5e0f6 QTfrontend/ui/page/pagescheme.cpp
--- a/QTfrontend/ui/page/pagescheme.cpp	Sun Jul 05 21:37:35 2020 +0200
+++ b/QTfrontend/ui/page/pagescheme.cpp	Sun Jul 05 22:40:11 2020 +0200
@@ -470,7 +470,7 @@
     l = new QLabel(gbBasicSettings);
     l->setWhatsThis(wtSentries);
     l->setFixedSize(32,32);
-    l->setPixmap(QPixmap(":/res/iconAirMine.png"));
+    l->setPixmap(QPixmap(":/res/iconSentry.png"));
     glBSLayout->addWidget(l,15,1,1,1);
     SB_Sentries = new QSpinBox(gbBasicSettings);
     SB_Sentries->setWhatsThis(wtSentries);