diff --git a/Source/PeleLMeX_Plot.cpp b/Source/PeleLMeX_Plot.cpp
index a2fc3f65..c208853e 100644
--- a/Source/PeleLMeX_Plot.cpp
+++ b/Source/PeleLMeX_Plot.cpp
@@ -448,10 +448,9 @@ PeleLM::WritePlotFile()
               +mut_arr_z[box_no](i, j, k) + mut_arr_z[box_no](i, j, k + 1)));
         });
       Gpu::streamSynchronize();
+      cnt += 1;
     }
 
-    cnt += 1;
-
     if (m_plot_extSource) {
       MultiFab::Copy(mf_plt[lev], *m_extSource[lev], 0, cnt, NVAR, 0);
     }