diff --git a/src/Mod/Fem/femsolver/elmer/equations/elasticity.py b/src/Mod/Fem/femsolver/elmer/equations/elasticity.py
index 31052da556..ea7ff39d92 100644
--- a/src/Mod/Fem/femsolver/elmer/equations/elasticity.py
+++ b/src/Mod/Fem/femsolver/elmer/equations/elasticity.py
@@ -82,6 +82,7 @@ class Proxy(linear.Proxy, equationbase.ElasticityProxy):
         )
         obj.EigenmodesCount = 5
         obj.Priority = 10
+        obj.CalculatePrincipal = True
 
 
 class ViewProxy(linear.ViewProxy, equationbase.ElasticityViewProxy):
diff --git a/src/Mod/Fem/femsolver/elmer/equations/linear.py b/src/Mod/Fem/femsolver/elmer/equations/linear.py
index 6da282f1a4..40b937038e 100644
--- a/src/Mod/Fem/femsolver/elmer/equations/linear.py
+++ b/src/Mod/Fem/femsolver/elmer/equations/linear.py
@@ -91,6 +91,7 @@ class Proxy(equation.Proxy):
             "Linear System",
             ""
         )
+        obj.BiCGstablDegree = 3
         obj.addProperty(
             "App::PropertyEnumeration",
             "LinearPreconditioning",