diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp
index dabf1b0d23..b14843a703 100644
--- a/src/gui/painting/qbezier.cpp
+++ b/src/gui/painting/qbezier.cpp
@@ -217,15 +217,17 @@ static ShiftResult good_offset(const QBezier *b1, const QBezier *b2, qreal offse
     const qreal o2 = offset*offset;
     const qreal max_dist_line = threshold*offset*offset;
     const qreal max_dist_normal = threshold*offset;
-    const qreal spacing = qreal(0.25);
-    for (qreal i = spacing; i < qreal(0.99); i += spacing) {
-        QPointF p1 = b1->pointAt(i);
-        QPointF p2 = b2->pointAt(i);
+    const int divisions = 4;
+    const qreal spacing = qreal(1.0) / divisions;
+    qreal t = spacing;
+    for (int i = 1; i < divisions; ++i, t += spacing) {
+        QPointF p1 = b1->pointAt(t);
+        QPointF p2 = b2->pointAt(t);
         qreal d = (p1.x() - p2.x())*(p1.x() - p2.x()) + (p1.y() - p2.y())*(p1.y() - p2.y());
         if (qAbs(d - o2) > max_dist_line)
             return Split;
 
-        QPointF normalPoint = b1->normalVector(i);
+        QPointF normalPoint = b1->normalVector(t);
         qreal l = qAbs(normalPoint.x()) + qAbs(normalPoint.y());
         if (l != qreal(0.0)) {
             d = qAbs( normalPoint.x()*(p1.y() - p2.y()) - normalPoint.y()*(p1.x() - p2.x()) ) / l;