diff --git a/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.cpp b/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.cpp
index 0f5e0aa8d9ca851970fc894df1acc7c892f85757..0ab1bcebb44e52f73172f46fc5b296e6be93ee6e 100644
--- a/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.cpp
+++ b/ProcessLib/LIE/HydroMechanics/HydroMechanicsProcess.cpp
@@ -356,9 +356,12 @@ void HydroMechanicsProcess<GlobalDim>::initializeConcreteProcess(
             {
                 continue;
             }
-            ParameterLib::SpatialPosition x;
-            x.setElementID(e->getID());
-            (*mesh_prop_b)[e->getID()] = frac->aperture0(0, x)[0];
+            // Mean value for the element. This allows usage of node based
+            // properties for aperture.
+            (*mesh_prop_b)[e->getID()] =
+                frac->aperture0
+                    .getNodalValuesOnElement(*e, /*time independent*/ 0)
+                    .mean();
         }
         _process_data.mesh_prop_b = mesh_prop_b;
 
diff --git a/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.cpp b/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.cpp
index 89bfaa4ff0f0941553bda09f84595e1ae1b4656e..13f5530bdbddedfa1b1ba1343071b595646e9e87 100644
--- a/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.cpp
+++ b/ProcessLib/LIE/SmallDeformation/SmallDeformationProcess.cpp
@@ -496,9 +496,12 @@ void SmallDeformationProcess<DisplacementDim>::initializeConcreteProcess(
             {
                 continue;
             }
-            ParameterLib::SpatialPosition x;
-            x.setElementID(e->getID());
-            (*mesh_prop_b)[e->getID()] = fracture_prop.aperture0(0, x)[0];
+            // Mean value for the element. This allows usage of node based
+            // properties for aperture.
+            (*mesh_prop_b)[e->getID()] =
+                fracture_prop.aperture0
+                    .getNodalValuesOnElement(*e, /*time independent*/ 0)
+                    .mean();
         }
     }
     _process_data._mesh_prop_b = mesh_prop_b;