diff --git a/app/qml/PreprocessedTerminal.qml b/app/qml/PreprocessedTerminal.qml
index ae696c8..49f9b84 100644
--- a/app/qml/PreprocessedTerminal.qml
+++ b/app/qml/PreprocessedTerminal.qml
@@ -77,6 +77,23 @@ Item{
         kterminal.copyClipboard();
     }
 
+    //When settings are updated sources need to be redrawn.
+    Connections{
+        target: shadersettings
+        onFontScalingChanged: terminalContainer.updateSources();
+        onFontWidthChanged: terminalContainer.updateSources();
+    }
+    Connections{
+        target: terminalContainer
+        onWidthChanged: terminalContainer.updateSources();
+        onHeightChanged: terminalContainer.updateSources();
+    }
+    function updateSources() {
+        kterminal.update();
+        kterminal.updateImage();
+    }
+
+
     KTerminal {
         id: kterminal
         width: parent.width
@@ -95,9 +112,6 @@ Item{
             }
         }
 
-        onWidthChanged: update();
-        onHeightChanged: update();
-
         FontLoader{ id: fontLoader }
         Text{id: fontMetrics; text: "B"; visible: false}