diff --git a/ProcessLib/ThermoMechanics/Tests.cmake b/ProcessLib/ThermoMechanics/Tests.cmake
index 6310da9aa1b016821c25269e3d2db7c7885ee09c..e4576227ff8ee09007c925fe74a5b72c195bf84c 100644
--- a/ProcessLib/ThermoMechanics/Tests.cmake
+++ b/ProcessLib/ThermoMechanics/Tests.cmake
@@ -23,7 +23,7 @@ AddTest(
     WRAPPER time
     TESTER vtkdiff
     REQUIREMENTS NOT (OGS_USE_LIS OR OGS_USE_MPI)
-    ABSTOL 1e-11 RELTOL 1e-15
+    ABSTOL 5e-11 RELTOL 1e-15
     DIFF_DATA
     expected_tm_q_pcs_0_ts_20_t_20000.000000.vtu tm_q_pcs_0_ts_20_t_20000.000000.vtu displacement displacement
     expected_tm_q_pcs_0_ts_20_t_20000.000000.vtu tm_q_pcs_0_ts_20_t_20000.000000.vtu temperature temperature