diff --git a/entity/Activity_entity/recordcontainers/db/onDBDelete.js b/entity/Activity_entity/recordcontainers/db/onDBDelete.js
index 787c4614c1462768ec4b375d47ef1a79eb2d57d3..0ae27fca3c3f99fe4e5374e4710e3fdb5fcba589 100644
--- a/entity/Activity_entity/recordcontainers/db/onDBDelete.js
+++ b/entity/Activity_entity/recordcontainers/db/onDBDelete.js
@@ -4,7 +4,7 @@ import("Sql_lib");
 import("Context_lib");
 
 var activityObjectsCondition = SqlCondition.begin()
-                                           .andPrepare("AB_OBJECTRELATION.OBJECT1_TYPE", ContextUtils.getCurrentContextId())
+                                           .andPrepare("AB_OBJECTRELATION.AB_OBJECTRELATIONTYPE1", ContextUtils.getCurrentContextId())
                                            .andPrepareVars("AB_OBJECTRELATION.OBJECT1_ROWID", "$field.ACTIVITYID");
 
 db.deleteData("AB_OBJECTRELATION", activityObjectsCondition.build("1=2"));