diff --git a/tutorials/compressible/rhoPimpleFoam/RAS/squareBendLiq/system/fvSolution b/tutorials/compressible/rhoPimpleFoam/RAS/squareBendLiq/system/fvSolution
index 0956b38024..4e599037f3 100644
--- a/tutorials/compressible/rhoPimpleFoam/RAS/squareBendLiq/system/fvSolution
+++ b/tutorials/compressible/rhoPimpleFoam/RAS/squareBendLiq/system/fvSolution
@@ -19,7 +19,7 @@ solvers
 {
     "rho.*"
     {
-        solver nthn;
+        solver          diagonal;
     }
 
     "p.*"