diff --git a/src/data/baseline_features.py b/src/data/baseline_features.py
index 0c0d1221..699b1c7e 100644
--- a/src/data/baseline_features.py
+++ b/src/data/baseline_features.py
@@ -136,9 +136,12 @@ if not participant_info.empty:
                 ].sum()
 
         if "limesurvey_demand_control_ratio" in requested_features:
-            limesurvey_demand_control_ratio = (
-                limesurvey_demand["score"].sum() / limesurvey_control["score"].sum()
-            )
+            if limesurvey_control["score"].sum():
+                limesurvey_demand_control_ratio = (
+                        limesurvey_demand["score"].sum() / limesurvey_control["score"].sum()
+                )
+            else:
+                limesurvey_demand_control_ratio = 0
             if (
                 JCQ_NORMS[participant_info.loc[0, "gender"]][0]
                 <= limesurvey_demand_control_ratio