diff --git a/src/app/valentina/dialogs/dialoghistory.cpp b/src/app/valentina/dialogs/dialoghistory.cpp
index fc05bb056..e4f5e9616 100644
--- a/src/app/valentina/dialogs/dialoghistory.cpp
+++ b/src/app/valentina/dialogs/dialoghistory.cpp
@@ -270,25 +270,25 @@ QString DialogHistory::Record(const VToolRecord &tool)
             case Tool::Spline:
             {
                 const QSharedPointer<VSpline> spl = data->GeometricObject<VSpline>(tool.getId());
-                SCASSERT(spl != nullptr);
+                SCASSERT(not spl.isNull());
                 return spl->NameForHistory(tr("Curve"));
             }
             case Tool::CubicBezier:
             {
                 const QSharedPointer<VCubicBezier> spl = data->GeometricObject<VCubicBezier>(tool.getId());
-                SCASSERT(spl != nullptr);
+                SCASSERT(not spl.isNull());
                 return spl->NameForHistory(tr("Cubic bezier curve"));
             }
             case Tool::Arc:
             {
                 const QSharedPointer<VArc> arc = data->GeometricObject<VArc>(tool.getId());
-                SCASSERT(arc != nullptr);
+                SCASSERT(not arc.isNull());
                 return arc->NameForHistory(tr("Arc"));
             }
             case Tool::ArcWithLength:
             {
                 const QSharedPointer<VArc> arc = data->GeometricObject<VArc>(tool.getId());
-                SCASSERT(arc != nullptr);
+                SCASSERT(not arc.isNull());
                 return tr("%1 with length %2")
                         .arg(arc->NameForHistory(tr("Arc")))
                         .arg(arc->GetLength());
@@ -296,13 +296,13 @@ QString DialogHistory::Record(const VToolRecord &tool)
             case Tool::SplinePath:
             {
                 const QSharedPointer<VSplinePath> splPath = data->GeometricObject<VSplinePath>(tool.getId());
-                SCASSERT(splPath != nullptr);
+                SCASSERT(not splPath.isNull());
                 return splPath->NameForHistory(tr("Spline path"));
             }
             case Tool::CubicBezierPath:
             {
                 const QSharedPointer<VCubicBezierPath> splPath = data->GeometricObject<VCubicBezierPath>(tool.getId());
-                SCASSERT(splPath != nullptr);
+                SCASSERT(not splPath.isNull());
                 return splPath->NameForHistory(tr("Cubic bezier curve path"));
             }
             case Tool::PointOfContact:
@@ -330,7 +330,7 @@ QString DialogHistory::Record(const VToolRecord &tool)
             case Tool::CutArc:
             {
                 const QSharedPointer<VArc> arc = data->GeometricObject<VArc>(AttrUInt(domElem, AttrArc));
-                SCASSERT(arc != nullptr);
+                SCASSERT(not arc.isNull());
                 return tr("%1 - cut %2")
                         .arg(PointName(tool.getId()))
                         .arg(arc->NameForHistory(tr("arc")));
@@ -339,7 +339,7 @@ QString DialogHistory::Record(const VToolRecord &tool)
             {
                 const quint32 splineId = AttrUInt(domElem, VToolCutSpline::AttrSpline);
                 const QSharedPointer<VAbstractCubicBezier> spl = data->GeometricObject<VAbstractCubicBezier>(splineId);
-                SCASSERT(spl != nullptr);
+                SCASSERT(not spl.isNull());
                 return tr("%1 - cut %2")
                         .arg(PointName(tool.getId()))
                         .arg(spl->NameForHistory(tr("curve")));
@@ -349,7 +349,7 @@ QString DialogHistory::Record(const VToolRecord &tool)
                 const quint32 splinePathId = AttrUInt(domElem, VToolCutSplinePath::AttrSplinePath);
                 const QSharedPointer<VAbstractCubicBezierPath> splPath =
                         data->GeometricObject<VAbstractCubicBezierPath>(splinePathId);
-                SCASSERT(splPath != nullptr);
+                SCASSERT(not splPath.isNull());
                 return tr("%1 - cut %2")
                         .arg(PointName(tool.getId()))
                         .arg(splPath->NameForHistory(tr("curve path")));