diff --git a/src/icosagon/dropout.py b/src/icosagon/dropout.py
index 95d0575..74bdd57 100644
--- a/src/icosagon/dropout.py
+++ b/src/icosagon/dropout.py
@@ -5,6 +5,7 @@
 
 
 import torch
+from .normalize import _sparse_coo_tensor
 
 
 def dropout_sparse(x, keep_prob):
@@ -17,7 +18,7 @@ def dropout_sparse(x, keep_prob):
     n = torch.floor(n).to(torch.bool)
     i = i[:,n]
     v = v[n]
-    x = torch.sparse_coo_tensor(i, v, size=size)
+    x = _sparse_coo_tensor(i, v, size=size)
 
     return x * (1./keep_prob)
 
diff --git a/src/icosagon/normalize.py b/src/icosagon/normalize.py
index b41dfb1..ec09b3c 100644
--- a/src/icosagon/normalize.py
+++ b/src/icosagon/normalize.py
@@ -35,6 +35,16 @@ def _check_2d(adj_mat):
         raise ValueError('adj_mat must be a square matrix')
 
 
+def _sparse_coo_tensor(indices, values, size):
+    ctor = { torch.float32: torch.sparse.FloatTensor,
+        torch.float32: torch.sparse.DoubleTensor,
+        torch.uint8: torch.sparse.ByteTensor,
+        torch.long: torch.sparse.LongTensor,
+        torch.int: torch.sparse.IntTensor,
+        torch.short: torch.sparse.ShortTensor }[values.dtype]
+    return ctor(indices, values, size)
+
+
 def add_eye_sparse(adj_mat: torch.Tensor) -> torch.Tensor:
     _check_tensor(adj_mat)
     _check_sparse(adj_mat)
@@ -53,7 +63,7 @@ def add_eye_sparse(adj_mat: torch.Tensor) -> torch.Tensor:
     indices = torch.cat((indices, eye_indices), 1)
     values = torch.cat((values, eye_values), 0)
 
-    adj_mat = torch.sparse_coo_tensor(indices=indices, values=values, size=adj_mat.shape)
+    adj_mat = _sparse_coo_tensor(indices, values, adj_mat.shape)
 
     return adj_mat
 
@@ -104,7 +114,7 @@ def norm_adj_mat_two_node_types_sparse(adj_mat: torch.Tensor) -> torch.Tensor:
     degrees_col = torch.zeros(adj_mat.shape[1], device=adj_mat.device)
     degrees_col = degrees_col.index_add(0, indices[1], values.to(degrees_col.dtype))
     values = values.to(degrees_row.dtype) / torch.sqrt(degrees_row[indices[0]] * degrees_col[indices[1]])
-    adj_mat = torch.sparse_coo_tensor(indices=indices, values=values, size=adj_mat.shape)
+    adj_mat = _sparse_coo_tensor(indices, values, adj_mat.shape)
 
     return adj_mat
 
diff --git a/tests/icosagon/test_trainloop.py b/tests/icosagon/test_trainloop.py
index 0548462..5271a06 100644
--- a/tests/icosagon/test_trainloop.py
+++ b/tests/icosagon/test_trainloop.py
@@ -42,6 +42,7 @@ def test_train_loop_02():
 
 
 def test_train_loop_03():
+    # pdb.set_trace()
     if torch.cuda.device_count() == 0:
         pytest.skip('CUDA required for this test')