diff --git a/src/finish.cpp b/src/finish.cpp
index 76827a1a56..a5872ee62c 100644
--- a/src/finish.cpp
+++ b/src/finish.cpp
@@ -73,7 +73,8 @@ void Finish::end(int flag)
     if (update->whichflag == 1 &&
         strcmp(update->integrate_style,"verlet/split") == 0 &&
         universe->iworld == 1) neighflag = 0;
-    if (force->kspace && force->kspace_match("pppm",0)) fftflag = 1;
+    if (force->kspace && force->kspace_match("pppm",0)
+        && force->kspace->fftbench) fftflag = 1;
   }
   if (flag == 2) prdflag = histoflag = neighflag = 1;
   if (flag == 3) tadflag = histoflag = neighflag = 1;
diff --git a/src/kspace.cpp b/src/kspace.cpp
index 3af581eeaa..66c152e34f 100644
--- a/src/kspace.cpp
+++ b/src/kspace.cpp
@@ -41,6 +41,7 @@ KSpace::KSpace(LAMMPS *lmp, int narg, char **arg) : Pointers(lmp)
   gewaldflag = 0;
   minorder = 2;
   overlap_allowed = 1;
+  fftbench = 1;
 
   order_6 = 5;
   gridflag_6 = 0;
@@ -320,6 +321,12 @@ void KSpace::modify_params(int narg, char **arg)
       else if (strcmp(arg[iarg+1],"no") == 0) compute_flag = 0;
       else error->all(FLERR,"Illegal kspace_modify command");
       iarg += 2;
+    } else if (strcmp(arg[iarg],"fftbench") == 0) {
+      if (iarg+2 > narg) error->all(FLERR,"Illegal kspace_modify command");
+      if (strcmp(arg[iarg+1],"yes") == 0) fftbench = 1;
+      else if (strcmp(arg[iarg+1],"no") == 0) fftbench = 0;
+      else error->all(FLERR,"Illegal kspace_modify command");
+      iarg += 2;
     } else if (strcmp(arg[iarg],"diff") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal kspace_modify command");
       if (strcmp(arg[iarg+1],"ad") == 0) differentiation_flag = 1;
diff --git a/src/kspace.h b/src/kspace.h
index ef7d3ec711..97be5d8262 100644
--- a/src/kspace.h
+++ b/src/kspace.h
@@ -54,6 +54,7 @@ class KSpace : protected Pointers {
   unsigned int datamask_ext;
 
   int compute_flag;               // 0 if skip compute()
+  int fftbench;                   // 0 if skip FFT timing
 
   KSpace(class LAMMPS *, int, char **);
   virtual ~KSpace();