diff --git a/src/Makefile b/src/Makefile
index 7b32442c39..c3b54b0499 100755
--- a/src/Makefile
+++ b/src/Makefile
@@ -17,7 +17,7 @@ PACKAGE = asphere class2 colloid dipole dsmc gpu granular \
 	  kspace manybody meam molecule opt peri poems prd reax shock xtc
 
 PACKUSER = user-ackland user-atc user-cd-eam user-cg-cmm user-eff \
-	   user-ewaldn user-imd user-smd
+	   user-ewaldn user-imd user-reax user-smd
 
 PACKALL = $(PACKAGE) $(PACKUSER)
 
diff --git a/src/PERI/fix_peri_neigh.cpp b/src/PERI/fix_peri_neigh.cpp
index 1e41f0c511..3744baa7f0 100644
--- a/src/PERI/fix_peri_neigh.cpp
+++ b/src/PERI/fix_peri_neigh.cpp
@@ -75,11 +75,10 @@ FixPeriNeigh::FixPeriNeigh(LAMMPS *lmp,int narg, char **arg) :
 
 FixPeriNeigh::~FixPeriNeigh()
 {
-  // if atom class still exists:
   // unregister this fix so atom class doesn't invoke it any more
 
-  if (atom) atom->delete_callback(id,0);
-  if (atom) atom->delete_callback(id,1);
+  atom->delete_callback(id,0);
+  atom->delete_callback(id,1);
 
   // delete locally stored arrays
 
@@ -422,9 +421,8 @@ void FixPeriNeigh::unpack_comm(int n, int first, double *buf)
 
   m = 0;
   last = first + n;
-  for (i = first; i < last; i++) {
+  for (i = first; i < last; i++)
     wvolume[i] = buf[m++];
-  }
 }
 
 /* ----------------------------------------------------------------------