diff --git a/epdb/models.py b/epdb/models.py
index 41546ff7..72d6466d 100644
--- a/epdb/models.py
+++ b/epdb/models.py
@@ -1291,7 +1291,7 @@ class MLRelativeReasoning(EPModel):
                     trig.append(0)
 
                 # Check obs
-                if key in triggered:
+                if key in observed:
                     obs.append(1)
                 else:
                     obs.append(0)