diff --git a/anabatic/src/AutoSegment.cpp b/anabatic/src/AutoSegment.cpp
index d4a97c65..3a27c455 100644
--- a/anabatic/src/AutoSegment.cpp
+++ b/anabatic/src/AutoSegment.cpp
@@ -1742,6 +1742,7 @@ namespace Anabatic {
 
     if (isGlobal() or isDrag() or isFixed()) return false;
     if (not isSpinTopOrBottom()) return false;
+    if ((getDepth() == 1) and isSpinBottom()) return false;
     if (_reduceds) return false;
 
     AutoContact* source = getAutoSource();