diff --git a/src/app/tools/drawTools/vtoolarc.cpp b/src/app/tools/drawTools/vtoolarc.cpp
index 332006ebc..d672b6561 100644
--- a/src/app/tools/drawTools/vtoolarc.cpp
+++ b/src/app/tools/drawTools/vtoolarc.cpp
@@ -301,8 +301,8 @@ void VToolArc::ShowVisualization(bool show)
 
             visual->setPoint1Id(arc->GetCenter().id());
             visual->setRadius(qApp->FormulaToUser(arc->GetFormulaRadius()));
-            visual->setF1(arc->GetFormulaF1());
-            visual->setF2(arc->GetFormulaF2());
+            visual->setF1(qApp->FormulaToUser(arc->GetFormulaF1()));
+            visual->setF2(qApp->FormulaToUser(arc->GetFormulaF2()));
             visual->RefreshGeometry();
             vis = visual;
         }