diff --git a/src/EntityGUI/EntityGUI_SketcherDlg.cxx b/src/EntityGUI/EntityGUI_SketcherDlg.cxx
index d1a4ff9e8..377793d66 100644
--- a/src/EntityGUI/EntityGUI_SketcherDlg.cxx
+++ b/src/EntityGUI/EntityGUI_SketcherDlg.cxx
@@ -57,6 +57,8 @@
 
 #include <gp_Pln.hxx>
 
+#include <Basics_Utils.hxx>
+
 //=================================================================================
 // class    : EntityGUI_SketcherDlg()
 // purpose  : Constructs a EntityGUI_SketcherDlg which is a child of 'parent', with the
@@ -1406,6 +1408,9 @@ bool EntityGUI_SketcherDlg::execute( ObjectList& objects )
     //Test if the current point is the same as the last one
     TopoDS_Shape myShape1, myShape2;
 
+    // Set "C" numeric locale
+    Kernel_Utils::Localizer loc;
+
     //Last Shape
     QString Command1 = myCommand.join( "" );
     Sketcher_Profile aProfile1( Command1.toAscii() );