From e477f0add0e6b0c21c3ee3a5b75391d4ecba64d5 Mon Sep 17 00:00:00 2001
From: WandererFan <wandererfan@gmail.com>
Date: Tue, 3 Jan 2017 20:12:39 -0500
Subject: [PATCH] Fix NaN in iso sections

---
 src/Mod/TechDraw/App/DrawProjGroupItem.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/TechDraw/App/DrawProjGroupItem.cpp b/src/Mod/TechDraw/App/DrawProjGroupItem.cpp
index e53f0069ce..1e9cf5e5c7 100644
--- a/src/Mod/TechDraw/App/DrawProjGroupItem.cpp
+++ b/src/Mod/TechDraw/App/DrawProjGroupItem.cpp
@@ -140,7 +140,7 @@ double DrawProjGroupItem::getRotateAngle()
     gp_Ax2 viewAxis;
     Base::Vector3d x = RotationVector.getValue();   //current rotation
     Base::Vector3d nx = x;
-    x.Normalize();
+    nx.Normalize();
     Base::Vector3d na = Direction.getValue();
     na.Normalize();
     Base::Vector3d org(0.0,0.0,0.0);