diff --git a/Tests/Data/ThermoRichardsMechanics/Mockup2D/mockup.prj b/Tests/Data/ThermoRichardsMechanics/Mockup2D/mockup.prj
index e804d02cc39690adfe3487e5457df2722ecbfec7..8ec5ce0092b84e59929bee4f5580ca446cdc455b 100644
--- a/Tests/Data/ThermoRichardsMechanics/Mockup2D/mockup.prj
+++ b/Tests/Data/ThermoRichardsMechanics/Mockup2D/mockup.prj
@@ -406,7 +406,7 @@
         <vtkdiff>
             <regex>mockup_results_[0-9].*[.]vtu</regex>
             <field>epsilon</field>
-            <absolute_tolerance>2e-15</absolute_tolerance>
+            <absolute_tolerance>3e-15</absolute_tolerance>
             <relative_tolerance>0</relative_tolerance>
         </vtkdiff>
         <vtkdiff>