diff --git a/tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.geometry b/tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.geometry
index 476ea8fad2..fe11be6c52 100644
--- a/tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.geometry
+++ b/tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.geometry
@@ -129,7 +129,7 @@ rotating.stl
 
     regions
     {
-        MRF
+        rotating
         {
             name rotating;
         }
diff --git a/tutorials/mesh/foamyHexMesh/mixerVessel/system/surfaceFeatureExtractDict b/tutorials/mesh/foamyHexMesh/mixerVessel/system/surfaceFeatureExtractDict
index b8aaea4cbe..6be34fba4d 100644
--- a/tutorials/mesh/foamyHexMesh/mixerVessel/system/surfaceFeatureExtractDict
+++ b/tutorials/mesh/foamyHexMesh/mixerVessel/system/surfaceFeatureExtractDict
@@ -93,7 +93,7 @@ rotating.stl
 
     includedAngle       120;
 
-    baffles (MRF);
+    baffles (rotating);
 
     // Write options
     writeObj            yes;