diff --git a/Source/IO/Plotfile.cpp b/Source/IO/Plotfile.cpp
index 2c607f67..dce6fbc6 100644
--- a/Source/IO/Plotfile.cpp
+++ b/Source/IO/Plotfile.cpp
@@ -152,12 +152,12 @@ REMORA::WritePlotFile ()
     }
 
     // We fillpatch here because some of the derived quantities require derivatives
-    //     which require ghost cells to be filled
+    //     which require ghost cells to be filled. Don't fill the boundary, though.
     for (int lev = 0; lev <= finest_level; ++lev) {
-        FillPatch(lev, t_new[lev], *cons_new[lev], cons_new, BdyVars::t,0,true,false);
-        FillPatch(lev, t_new[lev], *xvel_new[lev], xvel_new, BdyVars::u,0,true,false);
-        FillPatch(lev, t_new[lev], *yvel_new[lev], yvel_new, BdyVars::v,0,true,false);
-        FillPatch(lev, t_new[lev], *zvel_new[lev], zvel_new, BdyVars::null,0,true,false);
+        FillPatchNoBC(lev, t_new[lev], *cons_new[lev], cons_new, BdyVars::t,0,true,false);
+        FillPatchNoBC(lev, t_new[lev], *xvel_new[lev], xvel_new, BdyVars::u,0,true,false);
+        FillPatchNoBC(lev, t_new[lev], *yvel_new[lev], yvel_new, BdyVars::v,0,true,false);
+        FillPatchNoBC(lev, t_new[lev], *zvel_new[lev], zvel_new, BdyVars::null,0,true,false);
     }
 
     // Array of MultiFabs to hold the plotfile data