diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/DecayChain/1d_decay_chain_OS.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/DecayChain/1d_decay_chain_OS.prj
index 0800c3680e9101056017c0856e9b153569d9bced..434aad96659db76ead0da38e436c896348b0efe0 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/DecayChain/1d_decay_chain_OS.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/DecayChain/1d_decay_chain_OS.prj
@@ -840,31 +840,31 @@
         <vtkdiff>
             <regex>1d_decay_chain_OS_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
             <field>[Cm-247]</field>
-            <absolute_tolerance>1e-8</absolute_tolerance>
+            <absolute_tolerance>2e-8</absolute_tolerance>
             <relative_tolerance>1e-10</relative_tolerance>
         </vtkdiff>
         <vtkdiff>
             <regex>1d_decay_chain_OS_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
             <field>[Am-243]</field>
-            <absolute_tolerance>1e-8</absolute_tolerance>
+            <absolute_tolerance>2e-8</absolute_tolerance>
             <relative_tolerance>1e-16</relative_tolerance>
         </vtkdiff>
         <vtkdiff>
             <regex>1d_decay_chain_OS_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
             <field>[Pu-239]</field>
-            <absolute_tolerance>1e-8</absolute_tolerance>
+            <absolute_tolerance>2e-8</absolute_tolerance>
             <relative_tolerance>1e-16</relative_tolerance>
         </vtkdiff>
         <vtkdiff>
             <regex>1d_decay_chain_OS_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
             <field>[U-235]</field>
-            <absolute_tolerance>1e-8</absolute_tolerance>
+            <absolute_tolerance>2e-8</absolute_tolerance>
             <relative_tolerance>1e-16</relative_tolerance>
         </vtkdiff>
         <vtkdiff>
             <regex>1d_decay_chain_OS_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
             <field>[Pa-231]</field>
-            <absolute_tolerance>1e-8</absolute_tolerance>
+            <absolute_tolerance>2e-8</absolute_tolerance>
             <relative_tolerance>1e-16</relative_tolerance>
         </vtkdiff>
         <vtkdiff>