diff --git a/doc/src/pair_reaxff.rst b/doc/src/pair_reaxff.rst
index 4e88a3585c..d0c333af4b 100644
--- a/doc/src/pair_reaxff.rst
+++ b/doc/src/pair_reaxff.rst
@@ -163,8 +163,9 @@ The keyword *list/blocking* is only supported by the Kokkos version of
 ReaxFF and ignored otherwise. Setting the value to *yes* enables the
 "blocking" scheme (dynamically building interaction lists) for the
 ReaxFF bond neighbor list. This reduces the number of empty
-interactions but can reduce performance in some cases (e.g. small
-number of atoms/GPU on AMD hardware).
+interactions and can improve performance in some cases (e.g. large
+number of atoms/GPU on AMD hardware). It is also enabled by default
+when running the CPU with Kokkos.
 
 The thermo variable *evdwl* stores the sum of all the ReaxFF potential
 energy contributions, with the exception of the Coulombic and charge
@@ -369,7 +370,7 @@ Default
 """""""
 
 The keyword defaults are checkqeq = yes, enobonds = yes, lgvdw = no,
-safezone = 1.2, mincap = 50, minhbonds = 25, list/blocking = yes.
+safezone = 1.2, mincap = 50, minhbonds = 25, list/blocking = yes on CPU, no on GPU.
 
 ----------
 
diff --git a/src/REAXFF/pair_reaxff.cpp b/src/REAXFF/pair_reaxff.cpp
index 6dc2f7685b..39b6221d3d 100644
--- a/src/REAXFF/pair_reaxff.cpp
+++ b/src/REAXFF/pair_reaxff.cpp
@@ -113,7 +113,7 @@ PairReaxFF::PairReaxFF(LAMMPS *lmp) : Pair(lmp)
 
   nmax = 0;
 
-  list_blocking_flag = 1;
+  list_blocking_flag = 0;
 }
 
 /* ---------------------------------------------------------------------- */