diff --git a/src/tracking.F90 b/src/tracking.F90
index 965f57c068..633d9bfe7c 100644
--- a/src/tracking.F90
+++ b/src/tracking.F90
@@ -498,7 +498,7 @@ contains
       ! set new cell value
       p % coord(1) % cell = i_cell-1 ! decrement for C++ indexing
       p % cell_instance = 1
-      p % material = cells(i_cell) % material(0)
+      p % material = cells(i_cell) % material(1)
       p % sqrtKT = cells(i_cell) % sqrtKT(0)
       return
     end if
diff --git a/tests/regression_tests/dagmc/results_true.dat b/tests/regression_tests/dagmc/results_true.dat
index c32e102ced..36475c5bf4 100644
--- a/tests/regression_tests/dagmc/results_true.dat
+++ b/tests/regression_tests/dagmc/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-1.301275E+00 2.231721E-01
+1.028803E+00 3.340602E-02
 tally 1:
-6.809913E+00
-1.171102E+01
+8.346847E+00
+1.453407E+01