diff --git a/Tests/UnitTests/Core/Fresnel/KzComputationTest.cpp b/Tests/UnitTests/Core/Fresnel/KzComputationTest.cpp
index 2e8bbbee5d4f208b403ce0e1196fa829c2cfaead..f77506be1c883007f1ad6c996fc964266bb723dc 100644
--- a/Tests/UnitTests/Core/Fresnel/KzComputationTest.cpp
+++ b/Tests/UnitTests/Core/Fresnel/KzComputationTest.cpp
@@ -36,11 +36,11 @@ TEST_F(KzComputationTest, initial)
     kvector_t k = vecOfLambdaAlphaPhi(1.0, 1.0 * Units::deg, 0.0);
 
     SimulationOptions options;
-    ProcessedSample sample(mLayer, options);
+    ProcessedSample re_sample(mLayer, options);
 
-    auto res_ref = SampleUtils::KzComputation::computeReducedKz(sample.slices(), k);
-    auto res_ri = SampleUtils::KzComputation::computeKzFromRefIndices(sample.slices(), k);
-    auto res_sld = SampleUtils::KzComputation::computeKzFromSLDs(sample.slices(), k.z());
+    auto res_ref = SampleUtils::KzComputation::computeReducedKz(re_sample.slices(), k);
+    auto res_ri = SampleUtils::KzComputation::computeKzFromRefIndices(re_sample.slices(), k);
+    auto res_sld = SampleUtils::KzComputation::computeKzFromSLDs(re_sample.slices(), k.z());
 
     EXPECT_EQ(res_ref.size(), res_sld.size());
     EXPECT_EQ(res_ref.size(), res_ri.size());
@@ -136,10 +136,10 @@ TEST_F(KzComputationTest, TiNiSampleWithRoughness)
     kvector_t k = vecOfLambdaAlphaPhi(1.0, 0.0001 * Units::deg, 0.0);
 
     SimulationOptions options;
-    ProcessedSample proc_sample(*sample, options);
+    ProcessedSample re_sample(*sample, options);
 
-    auto res_ri = SampleUtils::KzComputation::computeKzFromRefIndices(proc_sample.slices(), k);
-    auto res_sld = SampleUtils::KzComputation::computeKzFromSLDs(proc_sample.slices(), k.z());
+    auto res_ri = SampleUtils::KzComputation::computeKzFromRefIndices(re_sample.slices(), k);
+    auto res_sld = SampleUtils::KzComputation::computeKzFromSLDs(re_sample.slices(), k.z());
 
     EXPECT_EQ(res_ri.size(), res_sld.size());
     for (size_t i = 0; i < res_ri.size(); ++i) {