diff --git a/app/qml/PreprocessedTerminal.qml b/app/qml/PreprocessedTerminal.qml
index bbf0e1d..a87c3ce 100644
--- a/app/qml/PreprocessedTerminal.qml
+++ b/app/qml/PreprocessedTerminal.qml
@@ -186,6 +186,9 @@ Item{
             appSettings.fontManager.refresh()
             startSession();
         }
+        Component.onDestruction: {
+            appSettings.fontManager.terminalFontChanged.disconnect(handleFontChanged);
+        }
     }
 
     Component {