diff --git a/tools.py b/tools.py
index 097832031012ec6b40e6c5170bf66ed5d7083bf2..982870a538729930c0eefd881de7126d1a47fa2f 100644
--- a/tools.py
+++ b/tools.py
@@ -74,7 +74,7 @@ class Main:
                 output = {
                         'image': image,
                         'coord': np.array([[-1, -1, -1]]),
-                        'trap_state': self.trap_state.trap_state,
+                        'trap_state': "Ion cloud",
                         'num_ions': -1,
                         'bright_ions': -1,
                         'dim_ions': -1,
@@ -117,7 +117,7 @@ class Main:
             roundness = ion_roundness(img, coord[0][:2])
             img = compensate_gradient(img, coord)
         else:
-            roundness = -1
+            roundness = 0
         max_int, num_pix = max_ion_intensity(img, coord)
         coord = detect_dim_ions(img, coord, max_int)
         linearity = ion_linearity(coord)