diff --git a/Common/ITKBinaryWeightedAverage/itkBWAfilter.hxx b/Common/ITKBinaryWeightedAverage/itkBWAfilter.hxx
index efa51fab..8b849ef5 100644
--- a/Common/ITKBinaryWeightedAverage/itkBWAfilter.hxx
+++ b/Common/ITKBinaryWeightedAverage/itkBWAfilter.hxx
@@ -179,7 +179,7 @@ void BinaryWeightedAveragingFilter< TLabelImage, TMainImage >
                 throw itk::ExceptionObject(
                     "Error: consecutive segmentations must be intersecting for "
                     "Binary Weighted Averaging. Manually specifying the axis "
-                    "of interploation may resolve this error.");
+                    "of interpolation may resolve this error.");
             }
 
             //Compute the Signed Distance Map of the intersecting portion