diff --git a/src/Mod/Sketcher/Gui/DrawSketchHandlerScale.h b/src/Mod/Sketcher/Gui/DrawSketchHandlerScale.h
index a0d2baf19e..bb1cc9816c 100644
--- a/src/Mod/Sketcher/Gui/DrawSketchHandlerScale.h
+++ b/src/Mod/Sketcher/Gui/DrawSketchHandlerScale.h
@@ -536,6 +536,10 @@ private:
                     newConstr->First = firstIndex;
                     newConstr->Second = secondIndex;
                 }
+                else if (cstr->Type == Angle && firstIndex != GeoEnum::GeoUndef
+                         && secondIndex == GeoEnum::GeoUndef && thirdIndex == GeoEnum::GeoUndef) {
+                    newConstr->First = firstIndex;
+                }
                 else if ((cstr->Type == Radius || cstr->Type == Diameter)
                          && firstIndex != GeoEnum::GeoUndef) {
                     newConstr->First = firstIndex;