diff --git a/tests/cases/fluid/pipe_RCR_3d/svFSIplus.xml b/tests/cases/fluid/pipe_RCR_3d/svFSIplus.xml
index 9e2f95129..753546402 100755
--- a/tests/cases/fluid/pipe_RCR_3d/svFSIplus.xml
+++ b/tests/cases/fluid/pipe_RCR_3d/svFSIplus.xml
@@ -63,12 +63,18 @@
       <WSS> true </WSS>
    </Output>
 
-   <LS type="GMRES" >
+   <LS type="NS" >
       <Linear_algebra type="fsils" >
          <Preconditioner> fsils </Preconditioner>
       </Linear_algebra>
-     <Max_iterations> 100 </Max_iterations>
-     <Tolerance> 1e-12 </Tolerance>
+      <Max_iterations> 15 </Max_iterations>
+      <NS_GM_max_iterations> 10 </NS_GM_max_iterations>
+      <NS_CG_max_iterations> 300 </NS_CG_max_iterations>
+      <Tolerance> 1e-3 </Tolerance>
+      <NS_GM_tolerance> 1e-3 </NS_GM_tolerance>
+      <NS_CG_tolerance> 1e-3 </NS_CG_tolerance>
+      <Absolute_tolerance> 1e-17 </Absolute_tolerance>
+      <Krylov_space_dimension> 250 </Krylov_space_dimension>
    </LS>
 
    <Add_BC name="lumen_inlet" >