diff --git a/include/tensor.cuh b/include/tensor.cuh
index 84a7e3f..9e1ace7 100644
--- a/include/tensor.cuh
+++ b/include/tensor.cuh
@@ -515,7 +515,7 @@ DTensor<T>::DTensor(const DTensor<T> &other, size_t axis, size_t from, size_t to
         m_numCols = other.m_numCols;
         m_numMats = len;
     } else if (axis == 1) {
-        offset = other.m_numCols * from;
+        offset = other.m_numRows * from;
         m_numRows = other.m_numRows;
         m_numCols = len;
         m_numMats = 1;
diff --git a/test/testTensor.cu b/test/testTensor.cu
index 8d3c58e..3d1a7b4 100644
--- a/test/testTensor.cu
+++ b/test/testTensor.cu
@@ -215,7 +215,7 @@ void tensorSlicingConstructorAxis1() {
     EXPECT_EQ(2, tenzSlice.numRows());
     EXPECT_EQ(2, tenzSlice.numCols());
     EXPECT_EQ(1, tenzSlice.numMats());
-    std::vector<T> expected = {4, 5, 6, 7};
+    std::vector<T> expected = {3, 4, 5, 6};
     std::vector<T> tenzSliceDown(4);
     tenzSlice.download(tenzSliceDown);
     EXPECT_EQ(expected, tenzSliceDown);