diff --git a/vtkm/filter/image_processing/ImageDifference.cxx b/vtkm/filter/image_processing/ImageDifference.cxx
index 8c81a4177..ebfacd00b 100644
--- a/vtkm/filter/image_processing/ImageDifference.cxx
+++ b/vtkm/filter/image_processing/ImageDifference.cxx
@@ -124,7 +124,7 @@ VTKM_CONT vtkm::cont::DataSet ImageDifference::DoExecute(const vtkm::cont::DataS
              "Difference within threshold: "
                << this->ImageDiffWithinThreshold
                << ", for pixels outside threshold: " << errorPixels.GetNumberOfValues()
-               << ", with a total number of pixesl: " << thresholdOutput.GetNumberOfValues()
+               << ", with a total number of pixels: " << thresholdOutput.GetNumberOfValues()
                << ", and an allowable pixel error ratio: " << this->AllowedPixelErrorRatio
                << ", with a total summed threshold error: "
                << vtkm::cont::Algorithm::Reduce(errorPixels, static_cast<FloatDefault>(0)));
diff --git a/vtkm/filter/testing/RenderTestAmrArrays.cxx b/vtkm/filter/testing/RenderTestAmrArrays.cxx
index 21802b714..e4f98e6b7 100644
--- a/vtkm/filter/testing/RenderTestAmrArrays.cxx
+++ b/vtkm/filter/testing/RenderTestAmrArrays.cxx
@@ -49,6 +49,7 @@ void TestAmrArraysExecute(int dim, int numberOfLevels, int cellsPerDimension)
   //  result.PrintSummary(std::cout);
 
   vtkm::rendering::testing::RenderTestOptions testOptions;
+  testOptions.AllowedPixelErrorRatio = 0.001f;
   testOptions.ColorTable = vtkm::cont::ColorTable("inferno");
   testOptions.EnableAnnotations = false;
   vtkm::rendering::testing::RenderTest(
diff --git a/vtkm/rendering/testing/UnitTestMapperConnectivity.cxx b/vtkm/rendering/testing/UnitTestMapperConnectivity.cxx
index 4d6533abc..c80fdf5c4 100644
--- a/vtkm/rendering/testing/UnitTestMapperConnectivity.cxx
+++ b/vtkm/rendering/testing/UnitTestMapperConnectivity.cxx
@@ -28,6 +28,7 @@ void RenderTests()
   vtkm::cont::testing::MakeTestDataSet maker;
 
   vtkm::rendering::testing::RenderTestOptions testOptions;
+  testOptions.AllowedPixelErrorRatio = 0.002f;
   testOptions.Mapper = vtkm::rendering::testing::MapperType::Connectivity;
   testOptions.AllowAnyDevice = false;
   testOptions.ColorTable = vtkm::cont::ColorTable::Preset::Inferno;