diff --git a/src/ML-SNAP/compute_sna_grid_local.cpp b/src/ML-SNAP/compute_sna_grid_local.cpp
index 80a1baddab..76fe03a03b 100644
--- a/src/ML-SNAP/compute_sna_grid_local.cpp
+++ b/src/ML-SNAP/compute_sna_grid_local.cpp
@@ -203,7 +203,7 @@ void ComputeSNAGridLocal::init()
 
 void ComputeSNAGridLocal::compute_local()
 {
-  invoked_array = update->ntimestep;
+  invoked_local = update->ntimestep;
 
   // compute sna for each gridpoint