diff --git a/numba_celltree/query.py b/numba_celltree/query.py
index 7bdac08..e3e9f62 100644
--- a/numba_celltree/query.py
+++ b/numba_celltree/query.py
@@ -280,10 +280,10 @@ def locate_edge(
                             return -1, indices_size
                         indices[indices_size, 0] = index
                         indices[indices_size, 1] = bbox_index
-                        intersections[count, 0, 0] = c.x
-                        intersections[count, 0, 1] = c.y
-                        intersections[count, 1, 0] = d.x
-                        intersections[count, 1, 1] = d.y
+                        intersections[indices_size, 0, 0] = c.x
+                        intersections[indices_size, 0, 1] = c.y
+                        intersections[indices_size, 1, 0] = d.x
+                        intersections[indices_size, 1, 1] = d.y
                         indices_size += 1
                         count += 1
             continue
diff --git a/pixi.lock b/pixi.lock
index 56ff3d1..843a02c 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -12153,7 +12153,7 @@ packages:
   timestamp: 1718888686982
 - kind: pypi
   name: numba-celltree
-  version: 0.2.0
+  version: 0.2.1
   path: .
   sha256: 2bd3845e2ef418031ed6547ed4a50525b73be2ccae26e299dad0f6f6f824e02f
   requires_dist:
diff --git a/tests/test_celltree.py b/tests/test_celltree.py
index 51f1fb9..fc646cf 100644
--- a/tests/test_celltree.py
+++ b/tests/test_celltree.py
@@ -1,3 +1,7 @@
+import os
+
+os.environ["NUMBA_DISABLE_JIT"] = "1"
+os.environ["NUMBA_NUM_THREADS"] = "1"
 import pathlib
 import shutil
 
@@ -371,18 +375,12 @@ def test_edge_lookup():
     expected_i = np.array([0, 1, 2])
     expected_j = np.array([0, 1, 2])
     expected_intersections = edge_coords[:3]
-    print(actual_i, expected_i)
-    print(actual_j, expected_j)
-    print(intersections, expected_intersections)
     assert np.array_equal(actual_i, expected_i)
     assert np.array_equal(actual_j, expected_j)
     assert np.allclose(intersections, expected_intersections)
 
     # Flip edge orientation
     actual_i, actual_j, intersections = tree.intersect_edges(edge_coords[:, ::-1])
-    print(actual_i, expected_i)
-    print(actual_j, expected_j)
-    print(intersections, expected_intersections[:, ::-1])
     assert np.array_equal(actual_i, expected_i)
     assert np.array_equal(actual_j, expected_j)
     assert np.allclose(intersections, expected_intersections[:, ::-1])
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 3863863..a5cb831 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -75,7 +75,7 @@ def test_double_stack():
     stack, size = ut.push_both(stack, 1, 2, size)
     assert len(stack) == INITIAL_STACK_LENGTH * 2
     assert size == INITIAL_STACK_LENGTH + 1
-    assert np.array_equal(stack[32], (1, 2))
+    assert np.array_equal(stack[INITIAL_STACK_LENGTH], (1, 2))
 
     a, b, size = ut.pop_both(stack, size)
     assert size == INITIAL_STACK_LENGTH
@@ -98,7 +98,7 @@ def test_triple_stack():
     stack, size = ut.push_triple(stack, 1, 2, 3, size)
     assert len(stack) == INITIAL_STACK_LENGTH * 2
     assert size == INITIAL_STACK_LENGTH + 1
-    assert np.array_equal(stack[32], (1, 2, 3))
+    assert np.array_equal(stack[INITIAL_STACK_LENGTH], (1, 2, 3))
 
     a, b, c, size = ut.pop_triple(stack, size)
     assert size == INITIAL_STACK_LENGTH