diff --git a/src/gui.rs b/src/gui.rs
index 6452278..80de522 100644
--- a/src/gui.rs
+++ b/src/gui.rs
@@ -115,6 +115,15 @@ impl PluginGui {
         */
         this
     }
+    fn scaling_factor(&self) -> f32 {
+        if let Some(factor) = self.scaling_factor.load() {
+            factor
+        } else if let Some(canvas) = &self.canvas {
+            canvas.width() as f32 / EditorWindow::WINDOW_SIZE.0 as f32
+        } else {
+            1.0
+        }
+    }
 }
 
 impl WindowHandler for PluginGui {
@@ -122,8 +131,8 @@ impl WindowHandler for PluginGui {
         if self.canvas.is_none() {
             return;
         }
+        let scaling_factor = self.scaling_factor();
         let canvas = self.canvas.as_mut().unwrap();
-        let scaling_factor = self.scaling_factor.load().unwrap_or(1.0);
 
         if !self.dirty {
             //return;
@@ -238,7 +247,6 @@ impl WindowHandler for PluginGui {
                         y += font_size;
                     }
                 };
-                let scaling_factor = self.scaling_factor.load();
 
                 print("Debug version");
                 print(&format!("scaling_factor {:?}", scaling_factor));