diff --git a/src/Mod/Part/App/PrimitiveFeature.cpp b/src/Mod/Part/App/PrimitiveFeature.cpp
index d594b82df..1a3c0c7e3 100644
--- a/src/Mod/Part/App/PrimitiveFeature.cpp
+++ b/src/Mod/Part/App/PrimitiveFeature.cpp
@@ -853,7 +853,7 @@ App::DocumentObjectExecReturn *Spiral::execute(void)
         BRepLib::BuildCurves3d(wire);
 
         Handle_Geom_Plane aPlane = new Geom_Plane(gp_Pnt(0.0,0.0,0.0), gp::DZ());
-        Standard_Real range = (myNumRot+1) * myGrowth + 1;
+        Standard_Real range = (myNumRot+1) * myGrowth + 1 + myRadius;
         BRepBuilderAPI_MakeFace mkFace(aPlane, -range, range, -range, range
 #if OCC_VERSION_HEX >= 0x060502
         , Precision::Confusion()