diff --git a/src/util/qpolygon-utils.js b/src/util/qpolygon-utils.js
index 6da3fd6a..47e8f4e9 100644
--- a/src/util/qpolygon-utils.js
+++ b/src/util/qpolygon-utils.js
@@ -6000,9 +6000,9 @@ export const calcLineActualSize2 = (points, degree = 0) => {
   const hx = xLength * Math.tan(degree * (Math.PI / 180))
 
   const hy = yLength * Math.tan(degree * (Math.PI / 180))
-  const actualSize = Math.sqrt(hx ** 2 + planeSize ** 2)
-  const actualSize2 = Math.sqrt(hy ** 2 + planeSize ** 2)
- return actualSize
+  const actualSize = Number(Math.sqrt(hx ** 2 + planeSize ** 2)).toFixed(0)
+  const actualSize2 = Number(Math.sqrt(hy ** 2 + planeSize ** 2)).toFixed(0)
+  return actualSize
 }
 
 /**
diff --git a/src/util/skeleton-utils.js b/src/util/skeleton-utils.js
index 87630e0e..9c57828e 100644
--- a/src/util/skeleton-utils.js
+++ b/src/util/skeleton-utils.js
@@ -822,7 +822,7 @@ const createInnerLinesFromSkeleton = (roofId, canvas, skeleton, textMode) => {
                 type: 'eaveHelpLine',
                 isStart: true,
                 pitch: wallLine.attributes.pitch,
-                actualSize: (isDiagonal) ? calcLineActualSize(
+                actualSize: (isDiagonal) ? calcLineActualSize2(
                   {
                     x1: p1.x,
                     y1: p1.y,