diff --git a/tests/QS/regtest-ps-implicit-2-3/TEST_FILES b/tests/QS/regtest-ps-implicit-2-3/TEST_FILES
index 948652b291..8728e13a81 100644
--- a/tests/QS/regtest-ps-implicit-2-3/TEST_FILES
+++ b/tests/QS/regtest-ps-implicit-2-3/TEST_FILES
@@ -1,3 +1,3 @@
 H2O_mixed_periodic_cuboidal.inp    1     2e-08             -17.24511679430308
-H2O_mixed_periodic_cylindrical.inp                     1      1e-12
+H2O_mixed_periodic_cylindrical.inp                     1      5e-7
 #EOF