diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index f4290af24b..ba42dd2aec 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -1362,7 +1362,3 @@ class CuraApplication(QtApplication):
                     node = node.getParent()
 
                 Selection.add(node)
-
-    @pyqtSlot(result=str)
-    def getCuraVersion(self):
-        return CuraVersion
diff --git a/resources/qml/SidebarHeader.qml b/resources/qml/SidebarHeader.qml
index f99f6875ae..94e04c3317 100644
--- a/resources/qml/SidebarHeader.qml
+++ b/resources/qml/SidebarHeader.qml
@@ -213,6 +213,7 @@ Column
             width: height
             anchors.margins: UM.Theme.getSize("default_margin").width
             anchors.verticalCenter: parent.verticalCenter
+            visible: extrudersList.visible
 
             text: "i"
             style: UM.Theme.styles.info_button
@@ -220,7 +221,7 @@ Column
             onClicked:
             {
                 // open the material URL with web browser
-                var version = CuraApplication.getCuraVersion();
+                var version = UM.Application.version;
                 var machineName = Cura.MachineManager.activeMachineDefinitionId;
 
                 var url = "https://ultimaker.com/materialcompatibility/" + version + "/" + machineName;
@@ -243,6 +244,13 @@ Column
             }
         }
 
+        Text  // to take the space of the material info button when the active machine doesn't have multiple extruders
+        {
+            height: parent.height * 0.70
+            width: height
+            visible: !extrudersList.visible
+        }
+
         Text
         {
             width: parent.width * 0.10 - materialInfoButton.width - UM.Theme.getSize("default_margin").width