diff --git a/src/Mod/Import/App/dxf/dxf.h b/src/Mod/Import/App/dxf/dxf.h
index 4f6a1f778a..19e43ea209 100644
--- a/src/Mod/Import/App/dxf/dxf.h
+++ b/src/Mod/Import/App/dxf/dxf.h
@@ -164,7 +164,7 @@ struct SplineDataOut
 
 struct LWPolyDataOut
 {
-    double nVert;
+    int nVert;
     int Flag;
     double Width;
     double Elev;