diff --git a/src/Mod/Sketcher/Gui/DrawSketchHandlerEllipse.h b/src/Mod/Sketcher/Gui/DrawSketchHandlerEllipse.h
index 5f85138fdb..db3e4daa93 100644
--- a/src/Mod/Sketcher/Gui/DrawSketchHandlerEllipse.h
+++ b/src/Mod/Sketcher/Gui/DrawSketchHandlerEllipse.h
@@ -123,7 +123,7 @@ public:
                 if (showCursorCoords()) {
                     SbString text;
                     std::string majorString = lengthToDisplayFormat(semiMajorRadius, 1);
-                    text.sprintf(" (R%s, R%s)", majorString.c_str(), majorString);
+                    text.sprintf(" (R%s, R%s)", majorString.c_str(), majorString.c_str());
                     setPositionText(onSketchPos, text);
                 }