diff --git a/src/QEQ/fix_qeq.cpp b/src/QEQ/fix_qeq.cpp
index b9dfbdae190818f9e0895e17cdf46944fa5dab22..bc8a660066205e2ff3a24ac15232972038146f7b 100644
--- a/src/QEQ/fix_qeq.cpp
+++ b/src/QEQ/fix_qeq.cpp
@@ -700,7 +700,7 @@ void FixQEq::read_file(char *file)
 
   int ntypes = atom->ntypes;
   int *setflag = new int[ntypes+1];
-  for (i=0; i < params_per_line; ++i) setflag[i] = 0;
+  for (i=0; i <= ntypes; ++i) setflag[i] = 0;
 
   memory->create(chi,ntypes+1,"qeq:chi");
   memory->create(eta,ntypes+1,"qeq:eta");