diff --git a/tests/QS/regtest-rpa-cubic-scaling-2/TEST_FILES b/tests/QS/regtest-rpa-cubic-scaling-2/TEST_FILES
index a0db128ab4..b1c6a74057 100644
--- a/tests/QS/regtest-rpa-cubic-scaling-2/TEST_FILES
+++ b/tests/QS/regtest-rpa-cubic-scaling-2/TEST_FILES
@@ -4,5 +4,5 @@ H2O_dh_admm.inp                                           11      1e-8
 H2O_dh_meta.inp                                           11      1e-8             -17.170279631316898 
 H2O_dh_stress.inp                                         31      1e-5               2.47225995573E+01
 CH3_md_admm.inp                                           11      5e-10             -7.358442900231783
-CH3_md_periodic.inp                                       11      5e-9              -6.826364548206040
+CH3_md_periodic.inp                                       11      5e-8              -6.826364548206040
 #EOF