diff --git a/ProcessLib/HydroMechanics/Tests.cmake b/ProcessLib/HydroMechanics/Tests.cmake
index 905bf642f17c9ca8bf99a79fbfff0258c9331c36..6070700b88d6d30af00926e4b9145183954e2a0e 100644
--- a/ProcessLib/HydroMechanics/Tests.cmake
+++ b/ProcessLib/HydroMechanics/Tests.cmake
@@ -222,7 +222,7 @@ AddTest(
     hm2_2Dmandel_ts_40_t_2.000000.vtu hm2_2Dmandel_ts_40_t_2.000000.vtu epsilon epsilon 1.0e-10 0.0
     hm2_2Dmandel_ts_160_t_8.000000.vtu hm2_2Dmandel_ts_160_t_8.000000.vtu pressure pressure 1.0e-10 0.0
     hm2_2Dmandel_ts_160_t_8.000000.vtu hm2_2Dmandel_ts_160_t_8.000000.vtu displacement displacement 1.0e-10 0.0
-    hm2_2Dmandel_ts_160_t_8.000000.vtu hm2_2Dmandel_ts_160_t_8.000000.vtu sigma sigma 2.0e-9 0.0
+    hm2_2Dmandel_ts_160_t_8.000000.vtu hm2_2Dmandel_ts_160_t_8.000000.vtu sigma sigma 3.0e-9 0.0
     hm2_2Dmandel_ts_160_t_8.000000.vtu hm2_2Dmandel_ts_160_t_8.000000.vtu epsilon epsilon 1.0e-10 0.0
 )