diff --git a/lef/lefWrite.c b/lef/lefWrite.c
index 28edf88c..464ad264 100644
--- a/lef/lefWrite.c
+++ b/lef/lefWrite.c
@@ -315,10 +315,17 @@ lefEraseGeometry(tile, cdata)
     lefClient *lefdata = (lefClient *)cdata;
     CellDef *flatDef = lefdata->lefFlat;
     Rect area;
-    TileType ttype;
+    TileType ttype, otype;
 
     TiToRect(tile, &area);
 
+    otype = TiGetTypeExact(tile);
+    if (IsSplit(tile))
+	ttype = (otype & TT_SIDE) ? SplitRightType(tile) :
+			SplitLeftType(tile);
+    else
+	ttype = otype;
+
     /* Erase the tile area out of lefFlat */
     DBErase(flatDef, &area, ttype);