diff --git a/config/duplicates-deletion.json b/config/duplicates-deletion.json
index 1f0b436..8cbfc17 100644
--- a/config/duplicates-deletion.json
+++ b/config/duplicates-deletion.json
@@ -25,7 +25,7 @@
     },
     "newColumnName": "count",
     "columnInsertIndex": 1,
-    "baseColumnName": "email",
+    "baseColumnName": "emailFALSE",
     "expression": "grel:facetCount(value, \"value\", \"email\")",
     "onError": "set-to-blank"
   },