diff --git a/src/cdtools/datasets/ptycho_2d_dataset.py b/src/cdtools/datasets/ptycho_2d_dataset.py
index 46d2ba7..6631cd6 100644
--- a/src/cdtools/datasets/ptycho_2d_dataset.py
+++ b/src/cdtools/datasets/ptycho_2d_dataset.py
@@ -380,7 +380,7 @@ class Ptycho2DDataset(CDataset):
         the dataset is downsampled with the data. The background is downsampled
         using the same method as the data.
 
-        If there is no quantum efficiency mask, then the mask is downsapled so
+        If there is no quantum efficiency mask, then the mask is downsampled so
         that any output pixel containing a masked pixel will be masked. If there
         is a quantum efficiency mask, then the quantum efficiency mask is
         downsampled using the same method as the data, and the mask is
diff --git a/src/cdtools/tools/measurements/measurements.py b/src/cdtools/tools/measurements/measurements.py
index 8ce41ae..c926568 100644
--- a/src/cdtools/tools/measurements/measurements.py
+++ b/src/cdtools/tools/measurements/measurements.py
@@ -196,22 +196,15 @@ def quadratic_background(
     sim_patterns : torch.Tensor
         A real MxN array storing the wavefield's intensities
     """
-
-    if detector_slice is None:
-        raw_intensity = measurement(
-            wavefield,
-            *args,
-            epsilon=epsilon,
-            oversampling=oversampling,
-            simulate_finite_pixels=simulate_finite_pixels)
-    else:
-        raw_intensity = measurement(
-            wavefield,
-            *args,
-            detector_slice=detector_slice,
-            epsilon=epsilon,
-            oversampling=oversampling,
-            simulate_finite_pixels=simulate_finite_pixels)
+    
+    raw_intensity = measurement(
+        wavefield,
+        *args,
+        detector_slice=detector_slice,
+        epsilon=epsilon,
+        oversampling=oversampling,
+        simulate_finite_pixels=simulate_finite_pixels
+    )
 
     if qe_mask is None:
         output = raw_intensity + background**2
diff --git a/tests/tools/test_analysis.py b/tests/tools/test_analysis.py
index 27c6a65..f0a1cf1 100644
--- a/tests/tools/test_analysis.py
+++ b/tests/tools/test_analysis.py
@@ -160,7 +160,7 @@ def test_standardize():
     probe = probe * np.exp(-1j * np.angle(np.sum(probe)))
 
     assert np.isclose(1, np.sum(np.abs(probe)**2)/ len(probe.ravel()))
-    assert np.angle(np.sum(probe)) < 1e-7
+    assert np.angle(np.sum(probe)) < 2e-7
 
     obj = 30 * np.random.rand(230,240) * np.exp(1j * (np.random.rand(230,240) - 0.5))
     obj_slice = np.s_[(obj.shape[0]//8)*3:(obj.shape[0]//8)*5,
@@ -232,7 +232,7 @@ def test_synthesize_reconstructions():
     probe = probe * np.exp(-1j * np.angle(np.sum(probe)))
 
     assert np.isclose(1, np.sum(np.abs(probe)**2)/ len(probe.ravel()))
-    assert np.abs(np.angle(np.sum(probe))) < 1e-7
+    assert np.abs(np.angle(np.sum(probe))) < 2e-7
 
     obj = 30 * np.random.rand(230,240) * np.exp(1j * (np.random.rand(230,240) - 0.5))
     obj_slice = np.s_[(obj.shape[0]//8)*3:(obj.shape[0]//8)*5,