diff --git a/resources/qml/ExtruderButton.qml b/resources/qml/ExtruderButton.qml
index 3ad77660c6..9a760bafc9 100644
--- a/resources/qml/ExtruderButton.qml
+++ b/resources/qml/ExtruderButton.qml
@@ -12,7 +12,7 @@ UM.ToolbarButton
     id: base
 
     property var extruder
-    property var extrdurerNumberFont: UM.Theme.getFont("small_emphasis")
+    property var extruderNumberFont: UM.Theme.getFont("small_emphasis")
 
     toolItem: ExtruderIcon
     {