diff --git a/src/test/ValentinaTest/tst_varc.cpp b/src/test/ValentinaTest/tst_varc.cpp
index d3ff600d2..260829313 100644
--- a/src/test/ValentinaTest/tst_varc.cpp
+++ b/src/test/ValentinaTest/tst_varc.cpp
@@ -173,6 +173,7 @@ void TST_VArc::TestGetPoints()
 
     const VPointF center;
     VArc arc(center, radius, startAngle, endAngle);
+    arc.SetApproximationScale(10);
 
     QVector<QPointF> points = arc.GetPoints();
 
diff --git a/src/test/ValentinaTest/tst_vpiece.cpp b/src/test/ValentinaTest/tst_vpiece.cpp
index 531f5d4f0..58206a584 100644
--- a/src/test/ValentinaTest/tst_vpiece.cpp
+++ b/src/test/ValentinaTest/tst_vpiece.cpp
@@ -84,7 +84,11 @@ void TST_VPiece::ClearLoop()
         points.append(p);
     }
 
-    data->UpdateGObject(308, new VSplinePath(points));
+    {
+        VSplinePath *path = new VSplinePath(points);
+        path->SetApproximationScale(10);
+        data->UpdateGObject(308, path);
+    }
 
     data->UpdateGObject(309, new VPointF(799.45989815267649, 850.6707401574804, "Г8", -30.431206299212597,
                                          29.487155905511813));
@@ -258,11 +262,18 @@ void TST_VPiece::Issue620()
         points.append(p);
     }
 
-    data->UpdateGObject(7, new VSplinePath(points));
+    {
+        VSplinePath *path = new VSplinePath(points);
+        path->SetApproximationScale(10);
+        data->UpdateGObject(7, path);
+    }
 
-    data->UpdateGObject(8, new VSpline(*p4, *p5, 59.932499999999997, "59.9325", 257.56999999999999,
-                                       "257.57", 170.46425196850396, "4.5102", 150.6164409448819,
-                                       "3.98506"));
+    {
+        VSpline *spl = new VSpline(*p4, *p5, 59.932499999999997, "59.9325", 257.56999999999999,
+                                   "257.57", 170.46425196850396, "4.5102", 150.6164409448819, "3.98506");
+        spl->SetApproximationScale(10);
+        data->UpdateGObject(8, spl);
+    }
 
     VPiece detail;
     detail.SetSeamAllowance(false);
diff --git a/src/test/ValentinaTest/tst_vspline.cpp b/src/test/ValentinaTest/tst_vspline.cpp
index dac59edbe..cdf164a1a 100644
--- a/src/test/ValentinaTest/tst_vspline.cpp
+++ b/src/test/ValentinaTest/tst_vspline.cpp
@@ -46,6 +46,7 @@ void TST_VSpline::GetSegmentPoints()
     VPointF p4(681.33729132409951, 1815.7969526662778, "p4", 5.0000125984251973, 9.9999874015748045);
 
     VSpline spl(p1, p4, 229.381, 41.6325, 0.96294100000000005, 1.00054, 1);
+    spl.SetApproximationScale(10);
 
     QPointF begin(957.69885233364062, 943.84482037833141);
     QPointF end(681.33729132409951, 1815.7969526662778);
@@ -173,6 +174,7 @@ void TST_VSpline::GetSegmentPoints_issue412()
     VPointF p4(491.16472440944887, 316.83552755905515, "p4", 5.0000125984251973, 9.9999874015748045);
 
     VSpline spl(p1, p4, 270, 0, 1, 1, 1);
+    spl.SetApproximationScale(10);
 
     QPointF begin(869.11748031496063, -61.117228346456692);
     QPointF end(758.41768107838425, 206.13572832247544);
@@ -262,6 +264,7 @@ void TST_VSpline::GetSegmentPoints_TestPuzzle()
     VPointF p4(681.33729132409951, 1815.7969526662778, "p4", 5.0000125984251973, 9.9999874015748045);
 
     VSpline spl(p1, p4, 229.381, 41.6325, 0.96294100000000005, 1.00054, 1);
+    spl.SetApproximationScale(10);
 
     QPointF begin(1168.85828031, 39.9998740157);
     QPointF end(957.69883966, 943.844812978);
@@ -381,6 +384,7 @@ void TST_VSpline::GetSegmentPoints_NullSegment()
     const VPointF p4(182.31062201967654, 383.80617135964712, "A2", 5.0000125984251973, 9.9999874015748045);
 
     VSpline spl(p1, p2, p3, p4, 1);
+    spl.SetApproximationScale(10);
 
     const QPointF begin	(146.3718263928647, 6.419281580065625);
     const QPointF end	(146.3718263928647, 6.419281580065625);
@@ -536,6 +540,7 @@ void TST_VSpline::GetSegmentPoints_RotateTool()
 
     VSpline spl(p1, p4, 231.11199999999994, "231.112", 145.33899999999997, "145.339", 207.44768503937021, "5.48872",
                 337.50916535433066, "8.92993");
+    spl.SetApproximationScale(10);
 
     const QPointF begin(237.32422843061005, 485.80074940371367);
     const QPointF end  (46.623829088412336, 167.78988631718659);
@@ -693,9 +698,14 @@ void TST_VSpline::CompareThreeWays()
     VPointF p4(681.33729132409951, 1815.7969526662778, "p4", 5.0000125984251973, 9.9999874015748045);
 
     VSpline spl1(p1, p4, 229.381, 41.6325, 0.96294100000000005, 1.00054, 1);
+    spl1.SetApproximationScale(10);
+
     VSpline spl2(spl1.GetP1(), static_cast<QPointF>(spl1.GetP2()), static_cast<QPointF>(spl1.GetP3()), spl1.GetP4(), 1);
+    spl2.SetApproximationScale(10);
+
     VSpline spl3(spl1.GetP1(), spl1.GetP4(), spl1.GetStartAngle(), "", spl2.GetEndAngle(), "", spl2.GetC1Length(), "",
                  spl2.GetC2Length(), "", 1);
+    spl3.SetApproximationScale(10);
 
     QWARN("Comparing first and second splines.");
     CompareSplines(spl1, spl2);