diff --git a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/system/streamlines b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/system/streamlines
index 5998e053a..473df2ed9 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/system/streamlines
+++ b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/system/streamlines
@@ -10,10 +10,18 @@ Description
 
 \*---------------------------------------------------------------------------*/
 
-nLines  24;
-start   (0 0.5 0);
-end     (9 0.5 0);
-fields  (U);
+direction       both;
+
+seedSampleSet
+{
+    type            lineUniform;
+    start           (0 0.5 0);
+    end             (9 0.5 0);
+    nPoints         24;
+    axis            x;
+}
+
+fields          (U);
 
 #includeEtc "caseDicts/postProcessing/visualization/streamlines.cfg"
 
diff --git a/tutorials/incompressible/simpleFoam/pitzDaily/system/streamlines b/tutorials/incompressible/simpleFoam/pitzDaily/system/streamlines
index 486272bfc..e2fb427c9 100644
--- a/tutorials/incompressible/simpleFoam/pitzDaily/system/streamlines
+++ b/tutorials/incompressible/simpleFoam/pitzDaily/system/streamlines
@@ -10,12 +10,19 @@ Description
 
 \*---------------------------------------------------------------------------*/
 
-nLines  10;
-start   (-0.0205 0.001  0.00001);
-end     (-0.0205 0.0251 0.00001);
-fields  (p k U);
+direction       both;
+
+seedSampleSet
+{
+    type            lineUniform;
+    start           (-0.0205 0.001  0.00001);
+    end             (-0.0205 0.0251 0.00001);
+    nPoints         10;
+    axis            x;
+}
+
+fields          (p k U);
 
-// Must be last entry
 #includeEtc "caseDicts/postProcessing/visualization/streamlines.cfg"
 
 // ************************************************************************* //