diff --git a/test/Function1D_Cuda_Test.cpp b/test/Function1D_Cuda_Test.cpp
index d99ceab..769cc4e 100644
--- a/test/Function1D_Cuda_Test.cpp
+++ b/test/Function1D_Cuda_Test.cpp
@@ -1144,7 +1144,7 @@ TEST_F(Function1D_Cuda_Test, uniqueByRows) {
         EXPECT_FLOAT_AE(result1[i], result2[i]);
     }
 
-    for(int i=0;i<result1.getDataSize();++i)
+    for(int i=0;i<indexResult1.getDataSize();++i)
     {
         EXPECT_FLOAT_AE(indexResult1[i], indexResult2[i]);
     }