diff --git a/src/OpenFOAM/primitives/functions/DataEntry/CSV/CSV.H b/src/OpenFOAM/primitives/functions/DataEntry/CSV/CSV.H
index 14e6eb1fb5..bcc3aee956 100644
--- a/src/OpenFOAM/primitives/functions/DataEntry/CSV/CSV.H
+++ b/src/OpenFOAM/primitives/functions/DataEntry/CSV/CSV.H
@@ -32,12 +32,13 @@ Description
         <entryName>   csvFile;
         csvFileCoeffs
         {
-            hasHeaderLine   true;
-            refColumn       0;          // reference column index
-            componentColumns (1 2 3);   // component column indices
-            separator       ",";        // optional (defaults to ",")
-            fileName        "fileXYZ";  // name of csv data file
-            outOfBounds     clamp;      // optional out-of-bounds handling
+            hasHeaderLine       true;
+            refColumn           0;          // reference column index
+            componentColumns    (1 2 3);    // component column indices
+            separator           ",";        // optional (defaults to ",")
+            fileName            "fileXYZ";  // name of csv data file
+            outOfBounds         clamp;      // optional out-of-bounds handling
+            interpolationScheme linear;     // optional interpolation scheme
         }
     \endverbatim
 
diff --git a/src/OpenFOAM/primitives/functions/DataEntry/Table/TableBaseIO.C b/src/OpenFOAM/primitives/functions/DataEntry/Table/TableBaseIO.C
index 667ac72be2..10d79420f7 100644
--- a/src/OpenFOAM/primitives/functions/DataEntry/Table/TableBaseIO.C
+++ b/src/OpenFOAM/primitives/functions/DataEntry/Table/TableBaseIO.C
@@ -73,6 +73,11 @@ void Foam::TableBase<Type>::writeEntries(Ostream& os) const
         os.writeKeyword("outOfBounds") << boundsHandlingToWord(boundsHandling_)
             << token::END_STATEMENT << nl;
     }
+    if (interpolationScheme_ != "linear")
+    {
+        os.writeKeyword("interpolationScheme") << interpolationScheme_
+            << token::END_STATEMENT << nl;
+    }
 }