diff --git a/tests/regression_tests/source_mcpl_file/results_true.dat b/tests/regression_tests/source_mcpl_file/results_true.dat
index e8f4a20a08..5651efde70 100644
--- a/tests/regression_tests/source_mcpl_file/results_true.dat
+++ b/tests/regression_tests/source_mcpl_file/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.004254E-01 8.027600E-04
+2.943088E-01 2.093028E-03