diff --git a/models/setup.go b/models/setup.go
index 7293111..7354ce9 100644
--- a/models/setup.go
+++ b/models/setup.go
@@ -275,6 +275,12 @@ func CreateTables() {
 		}
 	}
 
+	// Set any unassigned secrets to the default safe id
+	if _, err = db.Exec("UPDATE users SET LdapUser = 0 WHERE LdapUser is null;"); err != nil {
+		log.Printf("Error setting LdapUser flag to false for existing users : '%s'", err)
+		os.Exit(1)
+	}
+
 	// Remove LdapGroup column from roles table
 	ldapCheck, _ := CheckColumnExists("roles", "LdapGroup")
 	if ldapCheck {