diff --git a/applications/utilities/postProcessing/sampling/sample/sampleDict b/applications/utilities/postProcessing/sampling/sample/sampleDict
index b605f29e571320a1f4d3af3ca93e04841594f833..215add79a79ed840f9959e7e88e3076c0efae065 100644
--- a/applications/utilities/postProcessing/sampling/sample/sampleDict
+++ b/applications/utilities/postProcessing/sampling/sample/sampleDict
@@ -180,7 +180,7 @@ surfaces
 
     triangleCut
     {
-        // Cutingplaneusing iso surface
+        // Cutingplane using iso surface
         type            cuttingPlane;
         planeType       pointAndNormal;
         pointAndNormalDict
diff --git a/src/sampling/sampledSurface/isoSurface/sampledIsoSurface.C b/src/sampling/sampledSurface/isoSurface/sampledIsoSurface.C
index 9511f6dabe7f0572d3d3f1327c19fa10a306122b..2cbe93c40abd1c863bdb73de74f7fc9f54079f1b 100644
--- a/src/sampling/sampledSurface/isoSurface/sampledIsoSurface.C
+++ b/src/sampling/sampledSurface/isoSurface/sampledIsoSurface.C
@@ -466,12 +466,13 @@ Foam::sampledIsoSurface::sampledIsoSurface
 {
     if (!sampledSurface::interpolate())
     {
-        FatalErrorIn
+        FatalIOErrorIn
         (
             "sampledIsoSurface::sampledIsoSurface"
-            "(const word&, const polyMesh&, const dictionary&)"
+            "(const word&, const polyMesh&, const dictionary&)",
+            dict
         )   << "Non-interpolated iso surface not supported since triangles"
-            << " span across cells." << exit(FatalError);
+            << " span across cells." << exit(FatalIOError);
     }
 
     if (zoneID_.index() != -1)
@@ -480,14 +481,15 @@ Foam::sampledIsoSurface::sampledIsoSurface
 
         if (mesh.boundaryMesh().findPatchID(exposedPatchName_) == -1)
         {
-            FatalErrorIn
+            FatalIOErrorIn
             (
                 "sampledIsoSurface::sampledIsoSurface"
-                "(const word&, const polyMesh&, const dictionary&)"
+                "(const word&, const polyMesh&, const dictionary&)",
+                dict
             )   << "Cannot find patch " << exposedPatchName_
                 << " in which to put exposed faces." << endl
                 << "Valid patches are " << mesh.boundaryMesh().names()
-                << exit(FatalError);
+                << exit(FatalIOError);
         }
 
         if (debug && zoneID_.index() != -1)