diff --git a/src/common/QskArcMetrics.cpp b/src/common/QskArcMetrics.cpp
index 545ce2ae..81f3ac01 100644
--- a/src/common/QskArcMetrics.cpp
+++ b/src/common/QskArcMetrics.cpp
@@ -73,17 +73,27 @@ QVariant QskArcMetrics::interpolate(
 }
 
 QskArcMetrics QskArcMetrics::toAbsolute( const QSizeF& size ) const noexcept
+{
+    if ( size.width() < 0.0 )
+        return toAbsolute( size.height() );
+
+    if ( size.height() < 0.0 )
+        return toAbsolute( size.width() );
+
+    return toAbsolute( qMin( size.width(), size.height() ) );
+}
+
+QskArcMetrics QskArcMetrics::toAbsolute( qreal size ) const noexcept
 {
     if ( m_sizeMode != Qt::RelativeSize )
         return *this;
 
     QskArcMetrics absoluted = *this;
 
-    const auto l = qMin( size.width(), size.height() );
-    if ( l <= 0.0 )
+    if ( size <= 0.0 )
         absoluted.m_thickness = 0.0;
     else
-        absoluted.m_thickness = qskAbsoluted( l, absoluted.m_thickness );
+        absoluted.m_thickness = qskAbsoluted( size, absoluted.m_thickness );
 
     absoluted.m_sizeMode = Qt::AbsoluteSize;
 
diff --git a/src/common/QskArcMetrics.h b/src/common/QskArcMetrics.h
index a211bf42..b2ce35ce 100644
--- a/src/common/QskArcMetrics.h
+++ b/src/common/QskArcMetrics.h
@@ -55,6 +55,7 @@ class QSK_EXPORT QskArcMetrics
         qreal value ) const noexcept;
 
     QskArcMetrics toAbsolute( const QSizeF& ) const noexcept;
+    QskArcMetrics toAbsolute( qreal ) const noexcept;
 
     QskHashValue hash( QskHashValue seed = 0 ) const noexcept;