diff --git a/src/components/Roof2.jsx b/src/components/Roof2.jsx
index 2d275a36..70deec93 100644
--- a/src/components/Roof2.jsx
+++ b/src/components/Roof2.jsx
@@ -596,10 +596,13 @@ export default function Roof2(props) {
   const changeLength = (e) => {
     setScale(e)
     const polygon = canvas?.getActiveObject()
+
     if (polygon.type !== 'QPolygon') {
       return
     }
 
+    polygon.setScaleX(e)
+
     canvas?.renderAll()
   }
 
diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index a3329ac5..0c503185 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -213,7 +213,12 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
   },
   setFontSize(fontSize) {
     this.fontSize = fontSize
-    this.text.set({ fontSize })
+    this.canvas
+      ?.getObjects()
+      .filter((obj) => obj.name === 'lengthText' && obj.parent === this)
+      .forEach((text) => {
+        text.set({ fontSize: fontSize })
+      })
   },
   _render: function (ctx) {
     this.callSuper('_render', ctx)
@@ -700,6 +705,14 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
         text.set({ visible: isView })
       })
   },
+  setScaleX(scale) {
+    this.scaleX = scale
+    this.addLengthText()
+  },
+  setScaleY(scale) {
+    this.scaleY = scale
+    this.addLengthText()
+  },
   divideLine() {
     splitPolygonWithLines(this)
   },