diff --git a/plug-airfreshener/src/gui.rs b/plug-airfreshener/src/gui.rs
index 56f593b..67f3a51 100644
--- a/plug-airfreshener/src/gui.rs
+++ b/plug-airfreshener/src/gui.rs
@@ -221,9 +221,8 @@ impl WindowHandler for PluginGui {
             Event::Window(WindowEvent::Resized(size)) => {
                 let phys_size = size.physical_size();
                 if let Some(canvas) = self.canvas.as_mut() {
-                    let canvas_width = canvas.width();
                     let editor_width = self.params.editor_state.size.load().0;
-                    let new_scaling_factor = canvas_width as f32 / editor_width as f32;
+                    let new_scaling_factor = phys_size.width as f32 / editor_width as f32;
 
                     self.scaling_factor
                         .store(new_scaling_factor, Ordering::Release);