diff --git a/src/fix_vector.cpp b/src/fix_vector.cpp
index 7c75f93a3a2..3703e961309 100644
--- a/src/fix_vector.cpp
+++ b/src/fix_vector.cpp
@@ -114,9 +114,11 @@ FixVector::FixVector(LAMMPS *lmp, int narg, char **arg) :
         error->all(FLERR, "Fix for fix {} vector not computed at compatible time", val.id);
 
       if (val.argindex == 0)
+        value = ifix->extscalar;
+      else if (ifix->extvector >= 0)
         value = ifix->extvector;
       else
-        value = ifix->extarray;
+        value = ifix->extlist[val.argindex - 1];
       val.val.f = ifix;
 
     } else if (val.which == ArgInfo::VARIABLE) {