diff --git a/spectral_tests.py b/spectral_tests.py
index 73ee1eb9af52d1cb58c8f3cc6038dc30b614ab06..2bbb412cf704479088a68dc99170a030e95bdec3 100644
--- a/spectral_tests.py
+++ b/spectral_tests.py
@@ -54,12 +54,19 @@ class CloudTests(object):
                   band: str,
                   cmin: np.ndarray,
                   test_name: str = '11um_Test') -> np.ndarray:
+
         confidence = np.ones(self.data[band].shape)
+        qa_bit = np.zeros(self.data[band].shape)
+        test_bit = np.zeros(self.data[band].shape)
         threshold = self.thresholds[self.scene_name][test_name]
 
         if (threshold['perform'] is True and self.pixels_in_scene is True):
+            qa_bit[self.scene_idx] = 1
             print(f'Testing "{self.scene_name}"\n')
             rad = self.data[band].values[self.scene_idx]
+            idx = np.nonzero((self.data[band].values >= threshold['thr'][1]) &
+                             (self.data[self.scene_name] == 1))
+            test_bit[idx] = 1
             confidence[self.scene_idx] = conf.conf_test_new(rad, threshold['thr'])
 
         cmin = np.fmin(cmin, confidence)