diff --git a/ChangeLog.txt b/ChangeLog.txt
index 41889c476..815c08a4c 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -21,6 +21,7 @@
 - [#962] Failed to load LibEGL.
 - [#963] Bug in tool Point intersect curve and axis.
 - [#964] Assign operator crashes math parser.
+- [#966] Unable to control Approximation scale for arc with length.
 
 # Version 0.6.1 October 23, 2018
 - [#885] Regression. Broken support for multi size measurements.
diff --git a/src/app/valentina/xml/vpattern.cpp b/src/app/valentina/xml/vpattern.cpp
index 8f173b213..76c4b1ebc 100644
--- a/src/app/valentina/xml/vpattern.cpp
+++ b/src/app/valentina/xml/vpattern.cpp
@@ -3152,6 +3152,7 @@ void VPattern::ParseToolArcWithLength(VMainGraphicsScene *scene, QDomElement &do
         const QString lengthFix = initData.length;//need for saving fixed length;
         initData.color = GetParametrString(domElement, AttrColor, ColorBlack);
         initData.penStyle = GetParametrString(domElement, AttrPenStyle, TypeLineLine);
+        initData.approximationScale = GetParametrDouble(domElement, AttrAScale, QChar('0'));
 
         VToolArcWithLength::Create(initData);
         //Rewrite attribute formula. Need for situation when we have wrong formula.
diff --git a/src/libs/vtools/tools/drawTools/toolcurve/vtoolarcwithlength.cpp b/src/libs/vtools/tools/drawTools/toolcurve/vtoolarcwithlength.cpp
index 1a9198f4d..7ba41d04e 100644
--- a/src/libs/vtools/tools/drawTools/toolcurve/vtoolarcwithlength.cpp
+++ b/src/libs/vtools/tools/drawTools/toolcurve/vtoolarcwithlength.cpp
@@ -128,6 +128,7 @@ VToolArcWithLength *VToolArcWithLength::Create(VToolArcWithLengthInitData &initD
     VArc *arc = new VArc(calcLength, initData.length, c, calcRadius, initData.radius, calcF1, initData.f1);
     arc->SetColor(initData.color);
     arc->SetPenStyle(initData.penStyle);
+    arc->SetApproximationScale(initData.approximationScale);
 
     if (initData.typeCreation == Source::FromGui)
     {