diff --git a/src/Gui/MainWindow.cpp b/src/Gui/MainWindow.cpp
index 307a9f7d5..958705bd5 100644
--- a/src/Gui/MainWindow.cpp
+++ b/src/Gui/MainWindow.cpp
@@ -342,7 +342,8 @@ MainWindow::MainWindow(const QDir &home)
     perspectiveSelector->setStyle(toolStyle);
     perspectiveSelector->setFixedWidth(200 * dpiXFactor);
     perspectiveSelector->setFixedHeight(gl_toolheight * dpiYFactor);
-    connect(perspectiveSelector, SIGNAL(currentIndexChanged(int)), this, SLOT(perspectiveSelected(int)));
+    // activated instead of currentIndexChange signal is used to avoid triggering when changed by code due to 3a16d1e
+    connect(perspectiveSelector, SIGNAL(activated(int)), this, SLOT(perspectiveSelected(int)));
     HelpWhatsThis *helpPerspectiveSelector = new HelpWhatsThis(perspectiveSelector);
     perspectiveSelector->setWhatsThis(helpPerspectiveSelector->getWhatsThisText(HelpWhatsThis::ToolBar_PerspectiveSelector));
 
@@ -1484,6 +1485,8 @@ MainWindow::perspectiveSelected(int index)
     // which perspective is currently being shown?
     int prior = current->perspectives_.indexOf(current->perspective_);
 
+    if (prior == index) return; // activated but nothing changed
+
     if (index < current->perspectives_.count()) {
 
         // a perspectives was selected