diff --git a/src/app/puzzle/layout/vppiece.cpp b/src/app/puzzle/layout/vppiece.cpp
index 1d417a3c6..d2f806473 100644
--- a/src/app/puzzle/layout/vppiece.cpp
+++ b/src/app/puzzle/layout/vppiece.cpp
@@ -460,7 +460,8 @@ auto VPPiece::ClosestDistance(const QVector<QPointF> &path1, const QVector<QPoin
         }
     };
 
-    auto CalculateClosestDistanceForChunk = [&](const QVector<QPointF> &chunk) -> QLineF
+    std::function<QLineF(const QVector<QPointF> &)> const CalculateClosestDistanceForChunk =
+        [&](const QVector<QPointF> &chunk)
     {
         qreal minLocalDistance = std::numeric_limits<qreal>::max();
         QLineF localClosestDistance;
diff --git a/src/app/puzzle/vpmainwindow.cpp b/src/app/puzzle/vpmainwindow.cpp
index cab6223ed..612ac3d1f 100644
--- a/src/app/puzzle/vpmainwindow.cpp
+++ b/src/app/puzzle/vpmainwindow.cpp
@@ -887,7 +887,7 @@ void VPMainWindow::InitPropertyTabCurrentPiece()
     const QIcon warningIcon = FromTheme(VThemeIcon::DialogWarning);
     auto WarningIcon = [warningIcon](QLabel *label)
     {
-        const int size = qRound(16 * label->devicePixelRatio());
+        const int size = qRound(16. * label->devicePixelRatio());
         label->setPixmap(warningIcon.pixmap(size, size));
     };