diff --git a/src/pulsatingscience.cpp b/src/pulsatingscience.cpp
index b135418fe39eed0438c5c90e5a581e743bce7c77..fb024d0537db442356ebfa891227695d61286805 100644
--- a/src/pulsatingscience.cpp
+++ b/src/pulsatingscience.cpp
@@ -225,7 +225,8 @@ void PulsatingScience::menuBarToggled()
 		on_actionMenu_bar_toggled(false);
 		ui.actionMenu_bar->setChecked(false);
 	}
-	else {
+	else if(!ui.actionFullscreen->isChecked()) {
+		// allow menu bar only when NOT in fullscreen mode
 		on_actionMenu_bar_toggled(true);
 		ui.actionMenu_bar->setChecked(true);
 	}