diff --git a/pyCP_APR/torch_backend/ttv_sptensor.py b/pyCP_APR/torch_backend/ttv_sptensor.py
index a31cc8f..5062325 100644
--- a/pyCP_APR/torch_backend/ttv_sptensor.py
+++ b/pyCP_APR/torch_backend/ttv_sptensor.py
@@ -26,8 +26,8 @@ def ttv(M, vecs, dims=[]):
          product of KRUSKAL tensor X with a (column) vector vecs.
     """
 
-    dims = tr.arange(M.Dimensions)
-    vidx = tr.arange(M.Dimensions)
+    dims = tr.arange(M.Dimensions).to(M.device)
+    vidx = tr.arange(M.Dimensions).to(M.device)
 
     combined = tr.cat((dims, vidx))
     uniques, counts = combined.unique(return_counts=True)
diff --git a/setup.py b/setup.py
index c292d97..c9525df 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
     description='pyCP_APR: CP-APR Tensor Decomposition with PyTorch Backend.',
     long_description=LONG_DESCRIPTION,
     long_description_content_type='text/markdown',
-    package_dir={'pyCP_APR': 'pyCP_APR/'},
+    package_dir={'pyCP_APR': 'pyCP_APR'},
     platforms = ["Linux", "Mac", "Windows"],
     include_package_data=True,
     setup_requires=[