diff --git a/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C
index 0f1ea4cd6f628c12eb64ae9a675cfcc190b8b272..8f91848fa4bbc084863f0c2a819963027badcaec 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C
@@ -271,7 +271,7 @@ void timeVaryingMappedFixedValueFvPatchField<Type>::readSamplePoints()
             maxDist = magE1;
         }
     }
-    e1 = samplePoints[i] - p0;
+    e1 = samplePoints[index1] - p0;
     // Find point that is furthest away from line p0-p1
     const point& p1 = samplePoints[index1];